Explore topic-wise MCQs in Analog Circuits.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

For a MOSFET, the pinch-off voltage is -3V. Gate to source voltage is 20V. W/L ratio is 5. Process transconductance parameter is 40μA/V2. Find drain to source current in saturation.

A. 0.10 mA
B. 0.05mA
C. – 0.05mA
D. – 50A
Answer» D. – 50A
Discussion
2.

Consider the following circuit. IDSS = 2mA, VDD = 30V. Find R, given that VP = – 2V.

A. 10kΩ
B. 4kΩ
C. 2kΩ
D. 5kΩ
Answer» C. 2kΩ
Discussion
3.

Given VDD = 25V, VP = -3V. When VGS = -3V, IDS = 10mA. Find the operating point of the circuit.

A. -3.83V, 0.766mA
B. -2.345V, 0.469mA
C. 3.83V, 0.469mA
D. 2.3V, 0.7mA
Answer» C. 3.83V, 0.469mA
Discussion
4.

To bias a e-MOSFET ___________

A. we can use either gate bias or a voltage divider bias circuit
B. we can use either gate bias or a self bias circuit
C. we can use either self bias or a voltage divider bias circuit
D. we can use any type of bias circuit
Answer» B. we can use either gate bias or a self bias circuit
Discussion
5.

In the given situation for n-channel JFET, we get drain-to-source current is 5mA. What is the current when VGS = – 6V?

A. 5 mA
B. 0.5A
C. 0.125 A
D. 0.5A
Answer» D. 0.5A
Discussion