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1 | 4190-4193 | 6
A 3 0 cm wire carrying a current of 10 A is placed inside a solenoid
perpendicular to its axis The magnetic field inside the solenoid is
given to be 0 27 T |
1 | 4191-4194 | 0 cm wire carrying a current of 10 A is placed inside a solenoid
perpendicular to its axis The magnetic field inside the solenoid is
given to be 0 27 T What is the magnetic force on the wire |
1 | 4192-4195 | The magnetic field inside the solenoid is
given to be 0 27 T What is the magnetic force on the wire 4 |
1 | 4193-4196 | 27 T What is the magnetic force on the wire 4 7
Two long and parallel straight wires A and B carrying currents of
8 |
1 | 4194-4197 | What is the magnetic force on the wire 4 7
Two long and parallel straight wires A and B carrying currents of
8 0 A and 5 |
1 | 4195-4198 | 4 7
Two long and parallel straight wires A and B carrying currents of
8 0 A and 5 0 A in the same direction are separated by a distance of
4 |
1 | 4196-4199 | 7
Two long and parallel straight wires A and B carrying currents of
8 0 A and 5 0 A in the same direction are separated by a distance of
4 0 cm |
1 | 4197-4200 | 0 A and 5 0 A in the same direction are separated by a distance of
4 0 cm Estimate the force on a 10 cm section of wire A |
1 | 4198-4201 | 0 A in the same direction are separated by a distance of
4 0 cm Estimate the force on a 10 cm section of wire A 4 |
1 | 4199-4202 | 0 cm Estimate the force on a 10 cm section of wire A 4 8
A closely wound solenoid 80 cm long has 5 layers of windings of 400
turns each |
1 | 4200-4203 | Estimate the force on a 10 cm section of wire A 4 8
A closely wound solenoid 80 cm long has 5 layers of windings of 400
turns each The diameter of the solenoid is 1 |
1 | 4201-4204 | 4 8
A closely wound solenoid 80 cm long has 5 layers of windings of 400
turns each The diameter of the solenoid is 1 8 cm |
1 | 4202-4205 | 8
A closely wound solenoid 80 cm long has 5 layers of windings of 400
turns each The diameter of the solenoid is 1 8 cm If the current
carried is 8 |
1 | 4203-4206 | The diameter of the solenoid is 1 8 cm If the current
carried is 8 0 A, estimate the magnitude of B inside the solenoid
near its centre |
1 | 4204-4207 | 8 cm If the current
carried is 8 0 A, estimate the magnitude of B inside the solenoid
near its centre 4 |
1 | 4205-4208 | If the current
carried is 8 0 A, estimate the magnitude of B inside the solenoid
near its centre 4 9
A square coil of side 10 cm consists of 20 turns and carries a current
of 12 A |
1 | 4206-4209 | 0 A, estimate the magnitude of B inside the solenoid
near its centre 4 9
A square coil of side 10 cm consists of 20 turns and carries a current
of 12 A The coil is suspended vertically and the normal to the plane
of the coil makes an angle of 30º with the direction of a uniform
horizontal magnetic field of magnitude 0 |
1 | 4207-4210 | 4 9
A square coil of side 10 cm consists of 20 turns and carries a current
of 12 A The coil is suspended vertically and the normal to the plane
of the coil makes an angle of 30º with the direction of a uniform
horizontal magnetic field of magnitude 0 80 T |
1 | 4208-4211 | 9
A square coil of side 10 cm consists of 20 turns and carries a current
of 12 A The coil is suspended vertically and the normal to the plane
of the coil makes an angle of 30º with the direction of a uniform
horizontal magnetic field of magnitude 0 80 T What is the magnitude
of torque experienced by the coil |
1 | 4209-4212 | The coil is suspended vertically and the normal to the plane
of the coil makes an angle of 30º with the direction of a uniform
horizontal magnetic field of magnitude 0 80 T What is the magnitude
of torque experienced by the coil 4 |
1 | 4210-4213 | 80 T What is the magnitude
of torque experienced by the coil 4 10
Two moving coil meters, M1 and M2 have the following particulars:
R1 = 10 W, N1 = 30,
A1 = 3 |
1 | 4211-4214 | What is the magnitude
of torque experienced by the coil 4 10
Two moving coil meters, M1 and M2 have the following particulars:
R1 = 10 W, N1 = 30,
A1 = 3 6 × 10–3 m2, B1 = 0 |
1 | 4212-4215 | 4 10
Two moving coil meters, M1 and M2 have the following particulars:
R1 = 10 W, N1 = 30,
A1 = 3 6 × 10–3 m2, B1 = 0 25 T
R2 = 14 W, N2 = 42,
A2 = 1 |
1 | 4213-4216 | 10
Two moving coil meters, M1 and M2 have the following particulars:
R1 = 10 W, N1 = 30,
A1 = 3 6 × 10–3 m2, B1 = 0 25 T
R2 = 14 W, N2 = 42,
A2 = 1 8 × 10–3 m2, B2 = 0 |
1 | 4214-4217 | 6 × 10–3 m2, B1 = 0 25 T
R2 = 14 W, N2 = 42,
A2 = 1 8 × 10–3 m2, B2 = 0 50 T
(The spring constants are identical for the two meters) |
1 | 4215-4218 | 25 T
R2 = 14 W, N2 = 42,
A2 = 1 8 × 10–3 m2, B2 = 0 50 T
(The spring constants are identical for the two meters) Determine the ratio of (a) current sensitivity and (b) voltage
sensitivity of M2 and M1 |
1 | 4216-4219 | 8 × 10–3 m2, B2 = 0 50 T
(The spring constants are identical for the two meters) Determine the ratio of (a) current sensitivity and (b) voltage
sensitivity of M2 and M1 4 |
1 | 4217-4220 | 50 T
(The spring constants are identical for the two meters) Determine the ratio of (a) current sensitivity and (b) voltage
sensitivity of M2 and M1 4 11
In a chamber, a uniform magnetic field of 6 |
1 | 4218-4221 | Determine the ratio of (a) current sensitivity and (b) voltage
sensitivity of M2 and M1 4 11
In a chamber, a uniform magnetic field of 6 5 G (1 G = 10–4 T) is
maintained |
1 | 4219-4222 | 4 11
In a chamber, a uniform magnetic field of 6 5 G (1 G = 10–4 T) is
maintained An electron is shot into the field with a speed of
4 |
1 | 4220-4223 | 11
In a chamber, a uniform magnetic field of 6 5 G (1 G = 10–4 T) is
maintained An electron is shot into the field with a speed of
4 8 × 106 m s–1 normal to the field |
1 | 4221-4224 | 5 G (1 G = 10–4 T) is
maintained An electron is shot into the field with a speed of
4 8 × 106 m s–1 normal to the field Explain why the path of the
electron is a circle |
1 | 4222-4225 | An electron is shot into the field with a speed of
4 8 × 106 m s–1 normal to the field Explain why the path of the
electron is a circle Determine the radius of the circular orbit |
1 | 4223-4226 | 8 × 106 m s–1 normal to the field Explain why the path of the
electron is a circle Determine the radius of the circular orbit (e = 1 |
1 | 4224-4227 | Explain why the path of the
electron is a circle Determine the radius of the circular orbit (e = 1 5 × 10–19 C, me = 9 |
1 | 4225-4228 | Determine the radius of the circular orbit (e = 1 5 × 10–19 C, me = 9 1×10–31 kg)
4 |
1 | 4226-4229 | (e = 1 5 × 10–19 C, me = 9 1×10–31 kg)
4 12
In Exercise 4 |
1 | 4227-4230 | 5 × 10–19 C, me = 9 1×10–31 kg)
4 12
In Exercise 4 11 obtain the frequency of revolution of the electron in
its circular orbit |
1 | 4228-4231 | 1×10–31 kg)
4 12
In Exercise 4 11 obtain the frequency of revolution of the electron in
its circular orbit Does the answer depend on the speed of the
electron |
1 | 4229-4232 | 12
In Exercise 4 11 obtain the frequency of revolution of the electron in
its circular orbit Does the answer depend on the speed of the
electron Explain |
1 | 4230-4233 | 11 obtain the frequency of revolution of the electron in
its circular orbit Does the answer depend on the speed of the
electron Explain 4 |
1 | 4231-4234 | Does the answer depend on the speed of the
electron Explain 4 13
(a) A circular coil of 30 turns and radius 8 |
1 | 4232-4235 | Explain 4 13
(a) A circular coil of 30 turns and radius 8 0 cm carrying a current
of 6 |
1 | 4233-4236 | 4 13
(a) A circular coil of 30 turns and radius 8 0 cm carrying a current
of 6 0 A is suspended vertically in a uniform horizontal magnetic
field of magnitude 1 |
1 | 4234-4237 | 13
(a) A circular coil of 30 turns and radius 8 0 cm carrying a current
of 6 0 A is suspended vertically in a uniform horizontal magnetic
field of magnitude 1 0 T |
1 | 4235-4238 | 0 cm carrying a current
of 6 0 A is suspended vertically in a uniform horizontal magnetic
field of magnitude 1 0 T The field lines make an angle of 60°
with the normal of the coil |
1 | 4236-4239 | 0 A is suspended vertically in a uniform horizontal magnetic
field of magnitude 1 0 T The field lines make an angle of 60°
with the normal of the coil Calculate the magnitude of the
counter torque that must be applied to prevent the coil from
turning |
1 | 4237-4240 | 0 T The field lines make an angle of 60°
with the normal of the coil Calculate the magnitude of the
counter torque that must be applied to prevent the coil from
turning (b) Would your answer change, if the circular coil in (a) were replaced
by a planar coil of some irregular shape that encloses the same
area |
1 | 4238-4241 | The field lines make an angle of 60°
with the normal of the coil Calculate the magnitude of the
counter torque that must be applied to prevent the coil from
turning (b) Would your answer change, if the circular coil in (a) were replaced
by a planar coil of some irregular shape that encloses the same
area (All other particulars are also unaltered |
1 | 4239-4242 | Calculate the magnitude of the
counter torque that must be applied to prevent the coil from
turning (b) Would your answer change, if the circular coil in (a) were replaced
by a planar coil of some irregular shape that encloses the same
area (All other particulars are also unaltered )
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Physics
136
5 |
1 | 4240-4243 | (b) Would your answer change, if the circular coil in (a) were replaced
by a planar coil of some irregular shape that encloses the same
area (All other particulars are also unaltered )
Rationalised 2023-24
Physics
136
5 1 INTRODUCTION
Magnetic phenomena are universal in nature |
1 | 4241-4244 | (All other particulars are also unaltered )
Rationalised 2023-24
Physics
136
5 1 INTRODUCTION
Magnetic phenomena are universal in nature Vast, distant galaxies, the
tiny invisible atoms, humans and beasts all are permeated through and
through with a host of magnetic fields from a variety of sources |
1 | 4242-4245 | )
Rationalised 2023-24
Physics
136
5 1 INTRODUCTION
Magnetic phenomena are universal in nature Vast, distant galaxies, the
tiny invisible atoms, humans and beasts all are permeated through and
through with a host of magnetic fields from a variety of sources The earth’s
magnetism predates human evolution |
1 | 4243-4246 | 1 INTRODUCTION
Magnetic phenomena are universal in nature Vast, distant galaxies, the
tiny invisible atoms, humans and beasts all are permeated through and
through with a host of magnetic fields from a variety of sources The earth’s
magnetism predates human evolution The word magnet is derived from
the name of an island in Greece called magnesia where magnetic ore
deposits were found, as early as 600 BC |
1 | 4244-4247 | Vast, distant galaxies, the
tiny invisible atoms, humans and beasts all are permeated through and
through with a host of magnetic fields from a variety of sources The earth’s
magnetism predates human evolution The word magnet is derived from
the name of an island in Greece called magnesia where magnetic ore
deposits were found, as early as 600 BC In the previous chapter we have learned that moving charges or electric
currents produce magnetic fields |
1 | 4245-4248 | The earth’s
magnetism predates human evolution The word magnet is derived from
the name of an island in Greece called magnesia where magnetic ore
deposits were found, as early as 600 BC In the previous chapter we have learned that moving charges or electric
currents produce magnetic fields This discovery, which was made in the
early part of the nineteenth century is credited to Oersted, Ampere, Biot
and Savart, among others |
1 | 4246-4249 | The word magnet is derived from
the name of an island in Greece called magnesia where magnetic ore
deposits were found, as early as 600 BC In the previous chapter we have learned that moving charges or electric
currents produce magnetic fields This discovery, which was made in the
early part of the nineteenth century is credited to Oersted, Ampere, Biot
and Savart, among others In the present chapter, we take a look at magnetism as a subject in its
own right |
1 | 4247-4250 | In the previous chapter we have learned that moving charges or electric
currents produce magnetic fields This discovery, which was made in the
early part of the nineteenth century is credited to Oersted, Ampere, Biot
and Savart, among others In the present chapter, we take a look at magnetism as a subject in its
own right Some of the commonly known ideas regarding magnetism are:
(i)
The earth behaves as a magnet with the magnetic field pointing
approximately from the geographic south to the north |
1 | 4248-4251 | This discovery, which was made in the
early part of the nineteenth century is credited to Oersted, Ampere, Biot
and Savart, among others In the present chapter, we take a look at magnetism as a subject in its
own right Some of the commonly known ideas regarding magnetism are:
(i)
The earth behaves as a magnet with the magnetic field pointing
approximately from the geographic south to the north (ii) When a bar magnet is freely suspended, it points in the north-south
direction |
1 | 4249-4252 | In the present chapter, we take a look at magnetism as a subject in its
own right Some of the commonly known ideas regarding magnetism are:
(i)
The earth behaves as a magnet with the magnetic field pointing
approximately from the geographic south to the north (ii) When a bar magnet is freely suspended, it points in the north-south
direction The tip which points to the geographic north is called the
north pole and the tip which points to the geographic south is called
the south pole of the magnet |
1 | 4250-4253 | Some of the commonly known ideas regarding magnetism are:
(i)
The earth behaves as a magnet with the magnetic field pointing
approximately from the geographic south to the north (ii) When a bar magnet is freely suspended, it points in the north-south
direction The tip which points to the geographic north is called the
north pole and the tip which points to the geographic south is called
the south pole of the magnet Chapter Five
MAGNETISM AND
MATTER
Rationalised 2023-24
137
Magnetism and
Matter
(iii) There is a repulsive force when north poles ( or south poles ) of two
magnets are brought close together |
1 | 4251-4254 | (ii) When a bar magnet is freely suspended, it points in the north-south
direction The tip which points to the geographic north is called the
north pole and the tip which points to the geographic south is called
the south pole of the magnet Chapter Five
MAGNETISM AND
MATTER
Rationalised 2023-24
137
Magnetism and
Matter
(iii) There is a repulsive force when north poles ( or south poles ) of two
magnets are brought close together Conversely, there is an attractive
force between the north pole of one magnet and the south pole of
the other |
1 | 4252-4255 | The tip which points to the geographic north is called the
north pole and the tip which points to the geographic south is called
the south pole of the magnet Chapter Five
MAGNETISM AND
MATTER
Rationalised 2023-24
137
Magnetism and
Matter
(iii) There is a repulsive force when north poles ( or south poles ) of two
magnets are brought close together Conversely, there is an attractive
force between the north pole of one magnet and the south pole of
the other (iv) We cannot isolate the north, or south pole of a magnet |
1 | 4253-4256 | Chapter Five
MAGNETISM AND
MATTER
Rationalised 2023-24
137
Magnetism and
Matter
(iii) There is a repulsive force when north poles ( or south poles ) of two
magnets are brought close together Conversely, there is an attractive
force between the north pole of one magnet and the south pole of
the other (iv) We cannot isolate the north, or south pole of a magnet If a bar magnet
is broken into two halves, we get two similar bar magnets with
somewhat weaker properties |
1 | 4254-4257 | Conversely, there is an attractive
force between the north pole of one magnet and the south pole of
the other (iv) We cannot isolate the north, or south pole of a magnet If a bar magnet
is broken into two halves, we get two similar bar magnets with
somewhat weaker properties Unlike electric charges, isolated magnetic
north and south poles known as magnetic monopoles do not exist |
1 | 4255-4258 | (iv) We cannot isolate the north, or south pole of a magnet If a bar magnet
is broken into two halves, we get two similar bar magnets with
somewhat weaker properties Unlike electric charges, isolated magnetic
north and south poles known as magnetic monopoles do not exist (v) It is possible to make magnets out of iron and its alloys |
1 | 4256-4259 | If a bar magnet
is broken into two halves, we get two similar bar magnets with
somewhat weaker properties Unlike electric charges, isolated magnetic
north and south poles known as magnetic monopoles do not exist (v) It is possible to make magnets out of iron and its alloys We begin with a description of a bar magnet and its behaviour in an
external magnetic field |
1 | 4257-4260 | Unlike electric charges, isolated magnetic
north and south poles known as magnetic monopoles do not exist (v) It is possible to make magnets out of iron and its alloys We begin with a description of a bar magnet and its behaviour in an
external magnetic field We describe Gauss’s law of magnetism |
1 | 4258-4261 | (v) It is possible to make magnets out of iron and its alloys We begin with a description of a bar magnet and its behaviour in an
external magnetic field We describe Gauss’s law of magnetism We then
follow it up with an account of the earth’s magnetic field |
1 | 4259-4262 | We begin with a description of a bar magnet and its behaviour in an
external magnetic field We describe Gauss’s law of magnetism We then
follow it up with an account of the earth’s magnetic field We next describe
how materials can be classified on the basis of their magnetic properties |
1 | 4260-4263 | We describe Gauss’s law of magnetism We then
follow it up with an account of the earth’s magnetic field We next describe
how materials can be classified on the basis of their magnetic properties We describe para-, dia-, and ferromagnetism |
1 | 4261-4264 | We then
follow it up with an account of the earth’s magnetic field We next describe
how materials can be classified on the basis of their magnetic properties We describe para-, dia-, and ferromagnetism We conclude with a section
on electromagnets and permanent magnets |
1 | 4262-4265 | We next describe
how materials can be classified on the basis of their magnetic properties We describe para-, dia-, and ferromagnetism We conclude with a section
on electromagnets and permanent magnets 5 |
1 | 4263-4266 | We describe para-, dia-, and ferromagnetism We conclude with a section
on electromagnets and permanent magnets 5 2 THE BAR MAGNET
One of the earliest childhood memories of the famous physicist Albert
Einstein was that of a magnet gifted to him by a relative |
1 | 4264-4267 | We conclude with a section
on electromagnets and permanent magnets 5 2 THE BAR MAGNET
One of the earliest childhood memories of the famous physicist Albert
Einstein was that of a magnet gifted to him by a relative Einstein was
fascinated, and played endlessly with it |
1 | 4265-4268 | 5 2 THE BAR MAGNET
One of the earliest childhood memories of the famous physicist Albert
Einstein was that of a magnet gifted to him by a relative Einstein was
fascinated, and played endlessly with it He wondered how the magnet
could affect objects such as nails or pins placed away from it and not in
any way connected to it by a spring or string |
1 | 4266-4269 | 2 THE BAR MAGNET
One of the earliest childhood memories of the famous physicist Albert
Einstein was that of a magnet gifted to him by a relative Einstein was
fascinated, and played endlessly with it He wondered how the magnet
could affect objects such as nails or pins placed away from it and not in
any way connected to it by a spring or string We begin our study by examining iron filings sprinkled on a sheet of
glass placed over a short bar magnet |
1 | 4267-4270 | Einstein was
fascinated, and played endlessly with it He wondered how the magnet
could affect objects such as nails or pins placed away from it and not in
any way connected to it by a spring or string We begin our study by examining iron filings sprinkled on a sheet of
glass placed over a short bar magnet The arrangement of iron filings is
shown in Fig |
1 | 4268-4271 | He wondered how the magnet
could affect objects such as nails or pins placed away from it and not in
any way connected to it by a spring or string We begin our study by examining iron filings sprinkled on a sheet of
glass placed over a short bar magnet The arrangement of iron filings is
shown in Fig 5 |
1 | 4269-4272 | We begin our study by examining iron filings sprinkled on a sheet of
glass placed over a short bar magnet The arrangement of iron filings is
shown in Fig 5 1 |
1 | 4270-4273 | The arrangement of iron filings is
shown in Fig 5 1 The pattern of iron filings suggests that the magnet has two poles
similar to the positive and negative charge of an electric dipole |
1 | 4271-4274 | 5 1 The pattern of iron filings suggests that the magnet has two poles
similar to the positive and negative charge of an electric dipole As
mentioned in the introductory section, one pole is designated the North
pole and the other, the South pole |
1 | 4272-4275 | 1 The pattern of iron filings suggests that the magnet has two poles
similar to the positive and negative charge of an electric dipole As
mentioned in the introductory section, one pole is designated the North
pole and the other, the South pole When suspended freely, these poles
point approximately towards the geographic north and south poles,
respectively |
1 | 4273-4276 | The pattern of iron filings suggests that the magnet has two poles
similar to the positive and negative charge of an electric dipole As
mentioned in the introductory section, one pole is designated the North
pole and the other, the South pole When suspended freely, these poles
point approximately towards the geographic north and south poles,
respectively A similar pattern of iron filings is observed around a current
carrying solenoid |
1 | 4274-4277 | As
mentioned in the introductory section, one pole is designated the North
pole and the other, the South pole When suspended freely, these poles
point approximately towards the geographic north and south poles,
respectively A similar pattern of iron filings is observed around a current
carrying solenoid 5 |
1 | 4275-4278 | When suspended freely, these poles
point approximately towards the geographic north and south poles,
respectively A similar pattern of iron filings is observed around a current
carrying solenoid 5 2 |
1 | 4276-4279 | A similar pattern of iron filings is observed around a current
carrying solenoid 5 2 1 The magnetic field lines
The pattern of iron filings permits us to plot the magnetic field lines* |
1 | 4277-4280 | 5 2 1 The magnetic field lines
The pattern of iron filings permits us to plot the magnetic field lines* This is
shown both for the bar-magnet and the current-carrying solenoid in
Fig |
1 | 4278-4281 | 2 1 The magnetic field lines
The pattern of iron filings permits us to plot the magnetic field lines* This is
shown both for the bar-magnet and the current-carrying solenoid in
Fig 5 |
1 | 4279-4282 | 1 The magnetic field lines
The pattern of iron filings permits us to plot the magnetic field lines* This is
shown both for the bar-magnet and the current-carrying solenoid in
Fig 5 2 |
1 | 4280-4283 | This is
shown both for the bar-magnet and the current-carrying solenoid in
Fig 5 2 For comparison refer to the Chapter 1, Figure 1 |
1 | 4281-4284 | 5 2 For comparison refer to the Chapter 1, Figure 1 17(d) |
1 | 4282-4285 | 2 For comparison refer to the Chapter 1, Figure 1 17(d) Electric field
lines of an electric dipole are also displayed in Fig |
1 | 4283-4286 | For comparison refer to the Chapter 1, Figure 1 17(d) Electric field
lines of an electric dipole are also displayed in Fig 5 |
1 | 4284-4287 | 17(d) Electric field
lines of an electric dipole are also displayed in Fig 5 2(c) |
1 | 4285-4288 | Electric field
lines of an electric dipole are also displayed in Fig 5 2(c) The magnetic field
lines are a visual and intuitive realisation of the magnetic field |
1 | 4286-4289 | 5 2(c) The magnetic field
lines are a visual and intuitive realisation of the magnetic field Their
properties are:
(i)
The magnetic field lines of a magnet (or a solenoid) form continuous
closed loops |
1 | 4287-4290 | 2(c) The magnetic field
lines are a visual and intuitive realisation of the magnetic field Their
properties are:
(i)
The magnetic field lines of a magnet (or a solenoid) form continuous
closed loops This is unlike the electric dipole where these field lines
begin from a positive charge and end on the negative charge or escape
to infinity |
1 | 4288-4291 | The magnetic field
lines are a visual and intuitive realisation of the magnetic field Their
properties are:
(i)
The magnetic field lines of a magnet (or a solenoid) form continuous
closed loops This is unlike the electric dipole where these field lines
begin from a positive charge and end on the negative charge or escape
to infinity FIGURE 5 |
1 | 4289-4292 | Their
properties are:
(i)
The magnetic field lines of a magnet (or a solenoid) form continuous
closed loops This is unlike the electric dipole where these field lines
begin from a positive charge and end on the negative charge or escape
to infinity FIGURE 5 1 The
arrangement of iron
filings surrounding a
bar magnet |
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