Physics Gk - 2

Question: 6

The outer electrons liberated from individual atoms, that travel randomly through the conductor are called

(A) drift electrons

(B) free electrons

(C) photo electrons

(D) all the above

Question: 7

The emf is independent of

(A) internal resistance in the circuit

(B) external resistance in the circuit

(C) charge in the circuit

(D) current in the circuit

Question: 8

The plates through which current enters and leaves an electrolyte are known as

(A) plates

(B) electrodes

(C) terminals

(D) none of the above

Question: 9

A galvanometer can be converted into an ohm meter by connecting

(A) a battery and suitable galvanometer in parallel

(B) a capacitor

(C) a battery

(D) a battery and suitable resistance in series

Question: 10

An oscillator is ______

(A) an amplifier without feedback

(B) nothing but an amplifier

(C) an amplifier with feedback

(D) a converter of ac to dc energy