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# Electronics Engineering Objective Questions and Answers PDF

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## Electronic Devices MCQs: Electronics Engineering Objective Questions and Answers

MCQ 1: Small variation in DC output voltage of a filtered rectifier caused by charging and discharging of the filter capacitor is called

A) peak inverse voltage
B) drift voltage
C) ripple voltage
D) power factor

MCQ 2: Rate of decrease in the gain above or below the critical frequencies of a filter is called

A) roll-on
B) roll-off
C) roll-set
D) roll-turn

MCQ 3: A measure of effectiveness of a power supply filter in reducing the ripple voltage is called

A) quality factor
B) ripple factor
C) power factor
D) gain factor

MCQ 4: Ripple factor is equals to the ratio of ripple voltage to the

A) AC input voltage
B) AC output voltage
C) DC input voltage
D) DC output voltage

MCQ 5: In band pass filter, ratio of center frequency to its bandwidth is called

A) power factor
B) peak factor
C) resistance factor
D) quality factor

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