common emitter
common base
common collector
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe most commonly used transistor arrangement is ___________ arrangement
Transistors
42. For proper operation of the transistor, its collector should have ___________
Proper forward bias
Proper reverse bias
Very small size
None of the above
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
44. The base of a transistor is ___________ doped
heavily
moderately
lightly
none of the above
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
50. A class C amplifier always drives ___________ load
A pure resistive
A pure inductive
A pure capacitive
A resonant tank
Answer is Right!
Answer is Wrong!
Detailed SolutionA class C amplifier always drives ___________ load