Special Diodes – 2 – 3

61. The leakage current in a crystal diode is due to ……..

(a) minority carriers
(b) majority carriers
(c) junction capacitance
(d) none of the above

ANSWER

EXPLANATION

62. If the temperature of a crystal diode increases, then leakage current ……..

(a) remains the same
(b) decreases
(c) increases
(d) becomes zero

ANSWER

EXPLANATION

63. The PIV rating of a crystal diode is …….. that of equivalent vacuum diode.

(a) the same as
(b) lower than
(c) more than
(d) none of the above

ANSWER

EXPLANATION

64. If the doping level of a crystal diode is increased, the breakdown voltage ………

(a) remains the same
(b) is increased
(c) is decreased
(d) none of the above

ANSWER

EXPLANATION

65. The knee voltage of a crystal diode is approximately equal to ……..

(a) applied voltage
(b) breakdown voltage
(c) forward voltage
(d) barrier potential

ANSWER

EXPLANATION

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