Transistors Archives - Page 3 of 10 - MCQ and Quiz for Exams

21. The disadvantage of base resistor method of transistor biasing is that it ___________

Is complicated

Is sensitive to changes in Ã

Provides high stability

None of the above

Detailed SolutionThe disadvantage of base resistor method of transistor biasing is that it ___________

22. The emitter of a transistor is ___________ doped

lightly

heavily

moderately

none of the above

Detailed SolutionThe emitter of a transistor is ___________ doped

23. An ideal value of stability factor is ___________

100

200

More than 200

1

Detailed SolutionAn ideal value of stability factor is ___________

24. At series resonance, the net reactive component of circuit current is ___________

Zero

Inductive

Capacitive

None of the above

Detailed SolutionAt series resonance, the net reactive component of circuit current is ___________

25. The biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 ÂµA, then IC will change by ___________

100 ÂµA

25 ÂµA

20 ÂµA

50 ÂµA

Detailed SolutionThe biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 ÂµA, then IC will change by ___________

26. The dimensions of L/CR are that of ___________

Farad

Henry

Ohm

None of the above

Detailed SolutionThe dimensions of L/CR are that of ___________

27. The element that has the biggest size in a transistor is ___________

collector

base

emitter

collector-base-junction

Detailed SolutionThe element that has the biggest size in a transistor is ___________

28. If the value of collector current IC increases, then the value of VCE ___________

Remains the same

Decreases

Increases

None of the above

Detailed SolutionIf the value of collector current IC increases, then the value of VCE ___________

29. At series resonance, the circuit offers ___________ impedance

Zero

Maximum

Minimum

None of the above

Detailed SolutionAt series resonance, the circuit offers ___________ impedance

30. The number of depletion layers in a transistor is ___________

four

three

one

two

Detailed SolutionThe number of depletion layers in a transistor is ___________

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