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Special Diodes – 2 – 4

66. When the crystal diode current is large, the bias is ……..

(a) forward
(b) inverse
(c) poor
(d) reverse

ANSWER

EXPLANATION

67. A crystal diode is a …….. device.

(a) non-linear
(b) bilateral
(c) linear
(d) none of the above

ANSWER

EXPLANATION

68. A crystal diode utilises …….. characteristic for rectification.

(a) reverse
(b) forward
(c) forward or reverse
(d) none of the above

ANSWER

EXPLANATION

69. When a crystal diode is used as a rectifier, the most important consideration is ……..

(a) forward characteristic
(b) doping level
(c) reverse characteristic
(d) PIV rating

ANSWER

EXPLANATION

70. If the doping level in a crystal diode is increased, the width of depletion layer ……..

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

ANSWER

EXPLANATION

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