Transistors Archives - Page 5 of 10 - MCQ and Quiz for Exams

41. The most commonly used transistor arrangement is ___________ arrangement

common emitter

common base

common collector

none of the above

Detailed SolutionThe most commonly used transistor arrangement is ___________ arrangement

42. For proper operation of the transistor, its collector should have ___________

Proper forward bias

Proper reverse bias

Very small size

None of the above

Detailed SolutionFor proper operation of the transistor, its collector should have ___________

43. For faithful amplification by a transistor circuit, the value of VCE should ___________ for silicon transistor

Not fall below 1 V

Be zero

Be 0.2 V

None of the above

Detailed SolutionFor faithful amplification by a transistor circuit, the value of VCE should ___________ for silicon transistor

44. The base of a transistor is ___________ doped

heavily

moderately

lightly

none of the above

Detailed SolutionThe base of a transistor is ___________ doped

45. In the design of a biasing circuit, the value of collector load RC is determined by ___________

VCE consideration

VBE consideration

IB consideration

None of the above

Detailed SolutionIn the design of a biasing circuit, the value of collector load RC is determined by ___________

46. In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then ___________

XL decreases and XC increases

XL increases and XC decreases

Line current becomes minimum

None of the above

Detailed SolutionIn a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then ___________

47. At series resonance, voltage across L is ___________ voltage across C

Equal to but opposite in phase to

Equal to but in phase with

Greater than but in phase with

Less than but in phase with

Detailed SolutionAt series resonance, voltage across L is ___________ voltage across C

48. The arrow in the symbol of a transistor indicates the direction of ___________

electron current in the emitter

electron current in the collector

hole current in the emitter

donor ion current

Detailed SolutionThe arrow in the symbol of a transistor indicates the direction of ___________

49. In a transistor ___________

IC = IE + IB

IB = IC + IE

IE = IC - IB

IE = IC + IB

Detailed SolutionIn a transistor ___________

50. A class C amplifier always drives ___________ load

A pure resistive

A pure inductive

A pure capacitive

A resonant tank

Detailed SolutionA class C amplifier always drives ___________ load

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