Basic Electronics (3110016) MCQs

MCQs of Diode theory and applications

Showing 101 to 108 out of 108 Questions
6 7 8 9 10 11
101.
A circuit that removes positive or negative parts of a waveform is called a
(a) Clamper
(b) Clipper
(c) Diode clamp
(d) Limiter
Answer:

Option (b)

102.
A circuit that adds a positive or negative DC voltage to an input sine-wave is called a
(a) Clamper
(b) Clipper
(c) Diode clamp
(d) Limiter
Answer:

Option (a)

103.
For a clamper circuit to operate properly, its RLC time constant should be
(a) Equal to the period T of the signal
(b) > 10 times the period T of the signal
(c) > 100 times the period T of the signal
(d) < 10 times the period T of the signal
Answer:

Option (c)

104.
Voltage multipliers are circuits best used to produce
(a) Low voltage and low current
(b) Low voltage and high current
(c) High voltage and low current
(d) High voltage and high current
Answer:

Option (c)

105.
An AC supply of 230 V is applied to a half-wave rectifier through a transformer of turns ratio 10:1, the output DC voltage will be _______.
(a) 9.3 V
(b) 10.3 V
(c) 23 V
(d) 24.3 V
Answer:

Option (b)

106.
An AC supply of 230 V is applied to a centered tapped full wave rectifier through a transformer of turns ratio 10:1, the output DC voltage will be _______.
(a) 9.3 V
(b) 10.3 V
(c) 20.6 V
(d) 23 V
Answer:

Option (b)

107.
An AC supply of 230 V is applied to a bridge rectifier through a transformer of turns ratio 10:1, the output DC voltage will be _______.
(a) 9.3 V
(b) 10.3 V
(c) 20.6 V
(d) None of the above
Answer:

Option (c)

108.
An AC supply of 230 V is applied to a bridge rectifier through a transformer of turns ratio 4:1, the PIV rating of diode required will be _______.
(a) 57.5 V
(b) 81.3 V
(c) 115 V
(d) 162.6 V
Answer:

Option (b)

Showing 101 to 108 out of 108 Questions
6 7 8 9 10 11