FET – Exercise – 1

1. The JFET acts as a ……….. along vertical parts of the drain curve.

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

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.

2. The transconductance curve of JFET which is also called as square law curve is :

(a) Straight line
(b) Parabolic
(c) Circular
(d) Wavy

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

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

(a) 1
(b) 2
(c) 1 and 2
(d) 1, 2 and 3

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

4. Field effect transistor has :

(a) large input impedance
(b) large output impedance
(c) large power gain
(d) large voltage gain

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.

5. In the voltage range, Vp < VDS< BVDSS of an ideal JFET or MOSFET :

(a) the drain current varies linearly with VDS
(b) the drain current is constant
(c) the drain current varies non-linearly with VDS
(d) the drain current is cut off

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.
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