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Special Diodes – 2 – 10

96. For increasing the voltage rating, zeners are connected in …………

(a) parallel
(b) series-parallel
(c) series
(d) none of the above

ANSWER

EXPLANATION

97. A crystal diode has ……..

(a) one pn junction
(b) two pn junctions
(c) three pn junctions
(d) none of the above

ANSWER

EXPLANATION

98. A crystal diode has forward resistance of the order of ……..

(a) k Ω
(b) Ω
(c) MΩ
(d) none of the above

ANSWER

EXPLANATION

99. When the graph between current through and voltage across a device is a straight line, the device is referred to as ……..

(a) linear
(b) active
(c) nonlinear
(d) passive

ANSWER

EXPLANATION

100. When the reverse voltage increases, the junction capacitance :

(a) decreases
(b) stays the same
(c) increases
(d) has more bandwidth

ANSWER

EXPLANATION

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