Top 100+ Electricity and Magnetism GK Quiz Questions and Answers - 2

Question: 6

A fuse wire is made of

(A) An alloy of tin and copper

(B) An alloy of nickel and chromium

(C) An alloy of tin and aluminium

(D) An alloy of tin and lead

Question: 7

Magnetic field inside a solenoid is

(A) Directly proportional to current

(B) Inversely proportional to current

(C) Inversely proportional to the total number of turns

(D) Directly proportional to its length

Question: 8

The resistance of an ideal voltmeter is

(A) Zero

(B) Very low

(C) Very high

(D) Infinite

Question: 9

The coil of an electric heater is made of

(A) Nichrome

(B) Lead

(C) Aluminium

(D) Tungsten

Question: 10

When magnet is heated, it

(A) Loses its magnetism

(B) Gains magnetism

(C) Gains magnetism up to certain temperature

(D) None of the above