66. When the crystal diode current is large, the bias is ……..
(a) forward
(b) inverse
(c) poor
(d) reverse
67. A crystal diode is a …….. device.
(a) non-linear
(b) bilateral
(c) linear
(d) none of the above
68. A crystal diode utilises …….. characteristic for rectification.
(a) reverse
(b) forward
(c) forward or reverse
(d) none of the above
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
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
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