Basic Electronics (3110016) MCQs

MCQs of Diode theory and applications

Showing 71 to 80 out of 108 Questions
5 6 7 8 9 10
71.
The most widely used rectifier is ________.
(a) Half-wave rectifier
(b) Centre tap full wave rectifier
(c) Bridge full wave rectifier
(d) None of the above
Answer:

Option (c)

72.
When the graphs of current versus voltage is a straight line the device is referred to as
(a) Active
(b) Linear
(c) Nonlinear
(d) Passive
Answer:

Option (b)

73.
What kind of device is a resistor?
(a) Unilateral
(b) Linear
(c) Nonlinear
(d) Bipolar
Answer:

Option (b)

74.
What kind of device is a diode?
(a) Bilateral
(b) Linear
(c) Nonlinear
(d) Unipolar
Answer:

Option (b)

75.
How is a non-conducting diode biased?
(a) Inverse
(b) Forward
(c) Poorly
(d) Reverse
Answer:

Option (d)

76.
When the diode current is large, the bias is
(a) Forward
(b) Inverse
(c) Poor
(d) Reverse
Answer:

Option (a)

77.
The bulk resistance of a 1N4001 is
(a) 0
(b) 0.23 Ohms
(c) 10 Ohms
(d) 1 KOhms
Answer:

Option (b)

78.
If the bulk resistance is zero, the graph above the knee becomes
(a) Horizontal
(b) Vertical
(c) Tilted at 45°
(d) None of the above
Answer:

Option (b)

79.
The ideal diode is usually adequate when
(a) Troubleshooting
(b) Doing precise calculations
(c) The source voltage is low
(d) The load resistance is low
Answer:

Option (a)

80.
If N1/N2 = 4 and the primary voltage is 120 V, what is the secondary voltage?
(a) 0 V
(b) 30 V
(c) 60 V
(d) 480 V
Answer:

Option (b)

Showing 71 to 80 out of 108 Questions
5 6 7 8 9 10