# Magnetic Effects of Current and Magnetism-Electric Charge Moving in Magnetic Field (NEET (National Eligibility cum Medical Entrance Test) 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.

b.

c.

d.

## 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

A charge particles q enters in a magnetic field with the velocity . 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.

c.

8q

d.

2

## 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 The particle is deflected by an angle θ in crossing the field. Then

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page