Magnetic Effects of Current and Magnetism [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 6 of 25

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Question 1

Magnetic Effects of Current and Magnetism

Question

MCQ▾

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 2

Magnetic Effects of Current and Magnetism

Question

MCQ▾

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 3

Magnetic Effects of Current and Magnetism

Question

MCQ▾

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 4

Magnetic Effects of Current and Magnetism

Question

MCQ▾

unit of magnetic flux is

Choices

Choice (4)Response

a.

Weber-m-3

b.

Weber

c.

d.

Question 5

Magnetic Effects of Current and Magnetism

Question

MCQ▾

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 6

Magnetic Effects of Current and Magnetism

Question

MCQ▾

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.

M

b.

c.

0.5 M

d.

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