Magnetic Effects of Current and Magnetism-Electric Charge Moving in Magnetic Field (NEET Physics): Questions 13 - 17 of 29

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Question number: 13

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

MCQ▾

Question

An α-particle is moving in a magnetic field of Equation tesla with a velocity of Equation . The magnetic force acting on the particle will be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

0

Question number: 14

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

MCQ▾

Question

If a particle moves in a circular path in clockwise direction after entering into a downward vertical magnetic field. The charge on the particle is-

Choices

Choice (4) Response

a.

Positive

b.

Nothing can be said

c.

neutral

d.

negative

Question number: 15

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

MCQ▾

Question

An α-particle travels at an angle of 30° to a magnetic field 0.8 T with a velocity of 10 5 m/s. The magnitude of force will be-

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 16

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

MCQ▾

Question

An electron is revolving in a circular path of radius 2 x l0 -10 m with a speed of 3 x l0 6 m/s. The magnetic field at the center of circular path will be

Choices

Choice (4) Response

a.

0

b.

1.2 T

c.

2.4 T

d.

3.6 T

Question number: 17

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

MCQ▾

Question

An α-particle is describing a circle of radius 0.45 m in a field of magnetic induction 1.2 weber/m 2. The potential difference required to accelerate the particle, (The mass of a-particle is 6.8 x 10 -27 kg and its charge is 3.2 x 10 -19 coulomb. ) will be

Choices

Choice (4) Response

a.

2.3 x 10 -12 V

b.

6 x 10 6 V

c.

7 x 10 6 V

d.

3.2 x 10 -12 V

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