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FET – 1 – 10

46. The input gate current of a FET is :

(a) A few amperes
(b) A few milliamperes
(c) A few micro amperes
(d) Negligibly small

Answer
Answer : (d)

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

47. When drain voltage equals the pinch-off voltage, then drain current ……. with the increase in drain voltage.

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

Answer
Answer : (c)

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

48. If the reverse bias on the gate of a JFET is increased, then width of the conducting channel …….

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

Answer
Answer : (a)

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

49. A JFET has ……. power gain.

(a) small
(b) very high
(c) very small
(d) none of the above

Answer
Answer : (b)

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

50. The input control parameter of a JFET is …….

(a) gate voltage
(b) source voltage
(c) drain voltage
(d) gate current

Answer
Answer : (a)

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

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