Top 10,000+ TNPSC Quiz - 2

Question: 6

An oscillator is nothing but an amplifier with

(A) Large gain

(B) Negative feedback

(C) Positive feedback

(D) No feedback

Question: 7

N-type of semiconductor is

(A) Positively charged

(B) Negatively charged

(C) Neutral

(D) None of these

Question: 8

Modern communication systems use

(A) Analog circuits

(B) Digital circuits

(C) Combination of analog and digital circuits

(D) None of the above

Question: 9

Radio wave of constant amplitude can be generated with

(A) Rectifier

(B) FET

(C) Oscillator

(D) Filter

Question: 10

Intelsat satellite works as a

(A) Absorber

(B) Transmitter

(C) Repeater

(D) None of these