Semiconductor Materials – Exercise – 3

141. A reverse biased pn junction has resistance of the ……..

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

Answer
Answer : (c)
Explanation
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142. The leakage current across a pn junction is due to ……..

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

Answer
Answer : (a)
Explanation
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143. When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on ……..

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

Answer
Answer : (b)
Explanation
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144. With forward bias to a pn junction, the width of depletion layer ……..

(a) decreases
(b) increases
(c) remains the same
(d) none of the above

Answer
Answer : (a)
Explanation
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145. The leakage current in a pn junction is of the order of ……..

(a) A
(b) mA
(c) kA
(d) microA

Answer
Answer : (d)
Explanation
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