Magnetic Effects of Current and Magnetism-Electric Charge Moving in Magnetic Field (NEET Physics): Questions 23 - 27 of 29

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Question number: 23

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

MCQ▾

Question

A particle having charge q, mass m and kinetic energy E, enters a magnetic field B normally. It will oscillated with frequency equal to,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 24

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

MCQ▾

Question

A proton, a deuteron and an α-particle are accelerated through same potential difference and then they enter a normal uniform magnetic field. The ratio of their kinetic energies will be-

Choices

Choice (4) Response

a.

1: 2: 4

b.

1: 1: 2

c.

2: 1: 3

d.

1: 1: 1

Passage

Read the passage given below and answer the questions that follows:

A charge particles q enters in a magnetic field Equation with the velocity Equation . Neglect any force other than magnetic force. Now answer the following question.

Question number: 25 (1 of 2 Based on Passage) Show Passage

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

MCQ▾

Question

Which of the following is true for the direction of magnetic force?

Choices

Choice (4) Response

a.

If x > y then force works along (-z) direction

b.

If x < y then force works along (+z) direction

c.

If x > y then force works along (+z) direction

d.

None

Question number: 26 (2 of 2 Based on Passage) Show Passage

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

MCQ▾

Question

When particle arrives at any point P (2, 2) then force acting on it, will be -

Choices

Choice (4) Response

a.

Zero

b.

Equation

c.

8q

d.

2 Equation

Question number: 27

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

MCQ▾

Question

A particle with charge q, moving with a momentum p, enters a uniform magnetic field normally. The magnetic field has magnitude B and is confined to a region of width d, where Equation The particle is deflected by an angle θ in crossing the field. Then

Uniform magnetic field with moving charge particle

Uniform Magnetic Field With Moving Charge Particle

Here in figure cross represent the uniform magnetic field is confined to a region width d. A particle with charge q is moving with a momentum p, towards this uniform magnetic field.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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