Magnetic Effects of Current and Magnetism (BITSAT Physics): Questions 1 - 6 of 25

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Question number: 1

» Magnetic Effects of Current and Magnetism » Magnetic Moment

MCQ▾

Question

What is the magnitude of magnetic force per unit length of a wire carrying a current of and making an angle of with direction of a uniform magnetic field of ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

If magnetic material, which moves from stronger to weaker parts of magnetic field, then it is known as –

Choices

Choice (4) Response

a.

Diamagnetic

b.

Paramagnetic

c.

Ferromagnetic

d.

Anti – ferromagnetic

Question number: 3

» Magnetic Effects of Current and Magnetism » Moving Coil Galvanometer

MCQ▾

Question

We have a galvanometer of resistance wire. It is shunted by a wire. The part of total current that flow through the galvanometer is given as –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

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

MCQ▾

Question

unit of magnetic flux is

Choices

Choice (4) Response

a.

Weber

b.

c.

Weber-m-3

d.

Question number: 5

» Magnetic Effects of Current and Magnetism » Ampere's Law

MCQ▾

Question

Two parallel wires in free space are apart and each carries a current of in the same direction. The force exerted by one wire on other per metre of length of the wire is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 6

» Magnetic Effects of Current and Magnetism » Magnetic Moment

MCQ▾

Question

Two magnets each of magnetic moment are placed so as to form a cross at right angle to each other. The magnetic moment of the system will be –

Choices

Choice (4) Response

a.

b.

M

c.

d.

0.5 M

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