Analog, Digital Electronics Questions and Answers - 1

Question: 1

A working diode must have

(A) Low resistance when forward or reverse biased

(B) High resistance when forward biased, while low resistance when reverse bias

(C) Low resistance when forward biased, while high resistance when reverse bias

(D) High resistance when forward or reverse biased

Question: 2

A Semiconductor has a

(A) Constant Temperature coefficient of resistance

(B) Positive Temperature coefficient of resistance

(C) Negative Temperature coefficient of resistance

(D) None of the above

Question: 3

Which of the following parameters is used for distinguishing between a small signal and a large signal amplifier?

(A) Input/Output impedances

(B) Voltage gain

(C) Frequency response

(D) Harmonic distortion

Question: 4

Negative feedback enhances all performance parameters of an amplifier except its

(A) Noise figure

(B) Input impedance

(C) Gain

(D) 3 dB noise

Question: 5

FET is advantageous in comparison with BJT because of

(A) High noise immunity

(B) Its current controlled behaviour

(C) High gain bandwidth product

(D) High input impedance