30) The barrier potential of silicon semiconductor used in transistor is :

0.3 volt

0.5 volt

0.7 volt

0.8 volt

Answer is:

0.7 volt

Basic Electronics MCQ - Electrician (Set-1) with Answers

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Related Basic Electronics MCQ - Electrician (Set-1) with Answers

31) The barrier potential of germanium substance is :

0.7 V

0.5 V

0.3 V

0.2 V

Answer is:

0.3 V

32) Name the element used as impurity to produce 'N' type semi conductor.

Gallium

Boron

Aluminium

Arsenic

Answer is:

Arsenic

33) In diode terminology PIV stands for :

Peak instantaneous voltage

Polarity Identification Value

Peak Inverse Voltage

Peak Inverse Value

Answer is:

Peak Inverse Voltage

Explanation:

Peak Inverse Voltage (PIV) or Peak Reverse Voltage (PRV) refer to the maximum voltage a diode or other device can withstand in the reverse-biased direction before breakdown. Also may be called Reverse Breakdown Voltage.

34) In diode, the current which can allow to blow through it without getting damaged is called as :

maximum reverse current

maximum average forward current

maximum forward surge

maximum load current

Answer is:

maximum average forward current

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