Online GK Quiz - 1

Question: 1

Antenna is

(A) Resistive at resonant frequency

(B) Resistive its resonant frequency

(C) Capacitive

(D) Inductive

Question: 2

Which of the following device is full duplex?

(A) Radio

(B) Mobile phone

(C) Walky-talky

(D) Loudspeaker

Question: 3

Intelsat satellite works as a

(A) Absorber

(B) Transmitter

(C) Repeater

(D) None of these

Question: 4

The audio signal

(A) Can be sent directly over the air for distance

(B) Possess very high frequency

(C) Cannot be sent directly over the air for large distance

(D) None of the above

Question: 5

Resistivity of semiconductor depends on

(A) Atomic nature of semiconductor

(B) Shape and atomic nature of semiconductor

(C) Length of semiconductor

(D) Shape of semiconductor