7000+ Digital Electronics MCQ Quiz Questions and Answers Pdf - 1

Question: 1

The voltage gain of a given common source JEFT amplifier depends on it

(A) amplification factor

(B) dynamic drain resistance

(C) drain load resistance

(D) input impedance

Question: 2

The ideal op-amp is an ideal

(A) voltage controlled voltage source

(B) voltage controlled current source

(C) current controlled current source

(D) current source and voltage source

Question: 3

Which stage of a dc power supply uses a zener as the main component?

(A) regulator

(B) filter

(C) voltage divider

(D) rectifier

Question: 4

Which one of the following is a wide band amplifier?

(A) Video amplifier

(B) AF amplifier

(C) IF amplifier

(D) RF amplifier

Question: 5

Of the various capacitance associated with a junction transistor, the gain bandwidth product is affected to a maximum extent by

(A) decreases beta but increases alpha

(B) increases alpha but decreases beta

(C) decreases both alpha and beta

(D) base collector space charge layer capacitance