FET – 1 – 7

31. The transconductance JFET at the Q-point is ……… the maximum transconductance which occurs when Vds = 0.

(a) Less than
(b) Greater than
(c) Equal to
(d) None of the above

ANSWER
Answer : (a)

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

32. A current regulator diode is basically a :

(a) Zener diode
(b) MOSFET
(c) JFET whose gate and source are tied up
(d) Transistor

ANSWER
Answer : (c)

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

33. A JFET has :

(a) One built-in diode
(b) Two built-in diodes
(c) Three built-in diodes
(d) Four built-in diodes

ANSWER
Answer : (b)

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

34. The JFET acts as a …….. along the horizontal part of the drain curve.

(a) Resistor
(b) Current source
(c) Voltage source
(d) Current sink

ANSWER
Answer : (b)

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

35. Which of the following is/are valid statement(s) ?
I. The gate of a JFET is forward biased hence acts as a voltage controlled device.
II. The gate of a JFET is reversed biased, hence acts as a voltage controlled device.
III. The gate of a JFET is reverse biased, hence acts as voltage controlled device.

(a) I
(b) II
(c) I and II
(d) I, II and III

ANSWER
Answer : (b)

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

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