# Magnetic Effects of Current and Magnetism (KVPY Stream-SA (Class 11) Physics): Questions 3 - 5 of 8

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## Question number: 3

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

Appeared in Year: 2014

MCQ▾

### Question

A charged particle, initially at rest at O, when released follows a trajectory as shown. Such a trajectory is possible in the presence of,

### Choices

Choice (4) Response

a.

Electric field of constant magnitude and constant direction

b.

Electric field of constant magnitude and varying direction

c.

Electric and magnetic fields of constant magnitudes and constant directions which are parallel to each other.

d.

Magnetic field of constant magnitude and varying direction

## Question number: 4

» Magnetic Effects of Current and Magnetism » Bar Magnet

Appeared in Year: 2014

MCQ▾

### Question

Two identical bar magnets are held perpendicular to each other with a certain separation, as shown below. The area around the magnets is divided into four zones

Given that there is a neutral point it is located in

### Choices

Choice (4) Response

a.

Zone III

b.

Zone II

c.

Zone I

d.

Zone IV

## Question number: 5

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

### Question

Three infinitely long identical conductors are placed along OX, OY and OZ of coordinate axes, O being their common end. Current in OX is 2I and those in OY and OZ are I and I. The magnetic field at point P (0, -d, 0) is –

### Choices

Choice (4) Response

a.

b.

c.

d.

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