EASY

12th CBSE

IMPORTANT

Earn 100

A cyclotron has an oscillatory frequency of $12 M H z$ 12 MHz and a dee radius of $50 cm$ . Calculate the magnetic required to accelerate deuterons of mass $3.3 \times 10^{- 2} kg$ and charge $1.6 \times 10^{- 19} C$ . What is the energy of the deuterons emerging from the cyclotron?

Important Questions on Magnetic Effect of Current

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 4

Alpha particles of mass

6 .68 \times 10^{- 27} kg

and charge

3.2 \times 10^{- 19} C

are accelerated in a cyclotron in which a magnetic field of

1.25 T

is applied perpendicular to the dees. How rapidly should the electric field between the dees be reversed? What are the velocity and kinetic energy of an alpha particle when it moves in a circular orbit of radius

25 cm

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 1

A current of

1 A

flows in a wire of length

0.1 m

in a magnetic field of

0.5 T

. Calculate the force acting on the wire when the wire makes an angle of (a)

90 °

(b)

0 °

, with respect to the magnetic field.

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 2

A current of

5.0 A

is flowing upward in a long vertical wire placed in a uniform horizontal northward magnetic field of

0.02 T

. How much force and in what direction will the field exert on

0.06 m

length of the wire?

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 3

What is the magnitude of force on a wire of length

0.04 m

placed inside a solenoid near its centre, making an angle of

30 °

with its axis? The wire carries a current of

12 A

and the magnetic field due to the solenoid is of magnitude

0.25 T

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 4

A long straight conductor

P

carrying a current of

2 A

is placed parallel to a short conductor

Q

of length

0.05 m

carrying a current of

3 A

. The two conductors are

0.10 m

apart.
Calculate the magnetic field due to

P

Q

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 4

A long straight conductor

P

carrying a current of

2 A

is placed parallel to a short conductor

Q

of length

0.05 m

carrying a current of

3 A

. The two conductors are

0.10 m

apart.
Calculate the approximate force on

Q

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 5

A straight wire

1 m

long carries a current of

10 A

at right angles to a uniform magnetic field of

1 W b m^{- 2}

. Find the mechanical force on the wire and the power required to move it at

15 {ms}^{- 1}

in a plane at right angles to the field.

EASY

12th CBSE

IMPORTANT

New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Problems for Practice>Q 6

A wire $A B$ AB making an angle of $30 °$ with a horizontal is supported by a magnetic field of $0.65 T$ , directed normally into the plane of paper. lf the wire carries a current of $5 A$ , determine its mass per unit length.

Question Image

A cyclotron has an oscillatory frequency of 12 MHz12 MHz and a dee radius of 50 cm. Calculate the magnetic required to accelerate deuterons of mass 3.3×10-2 kg and charge 1.6×10-19 C. What is the energy of the deuterons emerging from the cyclotron?

Important Questions on Magnetic Effect of Current

Learn and Prepare for any exam you want !

A cyclotron has an oscillatory frequency of $12 M H z$ 12 MHz and a dee radius of $50 cm$ . Calculate the magnetic required to accelerate deuterons of mass $3.3 \times 10^{- 2} kg$ and charge $1.6 \times 10^{- 19} C$ . What is the energy of the deuterons emerging from the cyclotron?