FET – 21

21. Which is valid with respect to JFET ?

(a) Operated in depletion and enhancement modes
(b) Gate is not insulated from channel
(c) Channel doesn’t permanently exist
(d) It possesses low input impedance

Answer

Answer : (b)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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FET » Exercise - 262. The pinch-off voltage of a JFET is about ....... (a) 5 V (b) 0.6 V (c) 15 V (d) 25 V
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FET - 14
FET » Exercise - 114. Junction gate type of FET can be operated : (a) Only in depletion mode (b) Only in enhancement mode (c) Both depletion & enhancement modes (d) Either depletion or enhancement mode
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FET - 70
FET » Exercise - 270. The channel of a JFET is between the ............... (a) gate and drain (b) drain and source (c) gate and source (d) input and output
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5555555555146. Which of the following input impedances is not valid for a JFET? (a) 1010 (b) 109 (c) 108 (d) 1011
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FET » Exercise - 257. A MOSFET is sometimes called ....... JFET. (a) many gate (b) open gate (c) insulated gate (d) shorted gate
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FET – 21

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