1000+ Physics GK Questions and Answers 2022-2023 - 1

Question: 1

Tangent galvanometer is used to measure

(A) Steady currents

(B) Currents impulses

(C) Earth's magnetic field

(D) None of these

Question: 2

Identity the paramagnetic substance.

(A) Aluminium

(B) Nickel

(C) Copper

(D) Iron

Question: 3

The resistance of an ideal voltmeter is

(A) Zero

(B) Infinite

(C) Very low

(D) Very high

Question: 4

The unidirectional property of a pn-junction is useful for its use as a

(A) Amplifier

(B) Transformer

(C) Oscillator

(D) Rectifier

Question: 5

Intelsat satellite is used for

(A) Radio communication

(B) Radar communication

(C) Intercontinental communication

(D) None of the above