MOSFET – 1 – 3

11. A MOSFET can be operated with …….

(a) negative gate voltage only
(b) positive gate voltage only
(c) positive as well as negative gate voltage
(d) none of the above

ANSWER
Answer : (c)

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

12. Which of the following devices has the highest input impedance ?

(a) JFET
(b) MOSFET
(c) crystal diode
(d) ordinary transistor

ANSWER
Answer : (b)

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

13. A MOSFET uses the electric field of a ……. to control the channel current.

(a) capacitor
(b) battery
(c) generator
(d) none of the above

ANSWER
Answer : (a)

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

14. The input impedance of a MOSFET is of the order of …………..

(a) Ω
(b) a few hundred Ω
(c) k Ω
(d) several M Ω

ANSWER
Answer : (d)

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

15. A MOSFET differs from a JFET mainly because ……………

(a) of power rating
(b) the MOSFET has two gates
(c) the JFET has a pn junction
(d) none of above

ANSWER
Answer : (c)

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

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