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.

In the given circuit input voltage V is -3V and VB is 1V. The resistance R1 and R2 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10 . The current I will be
(Use piecewise linear model of diode)

A. n<img alt="Find the current I input voltage V is -3V ,VB is 1V resistance R1 &amp; R2 is 1K" class="alignnone size-full wp-image-351091" height="194" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-piecewise-linear-model-diode-1-q9.png" width="241"/>
B. 1.2mA
C. 0mA
D. 0.8mA
E. 1mA
Answer» C. 0mA
Discussion
2.

In the given circuit input voltage V is 3V and VB is 1V. The resistance R1 and R2 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10 . The current I will be
(Use piecewise linear model of diode)

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q7a.png"><img alt="Find the current I input voltage V is 3V, VB is 1V &amp; resistance R1 &amp; R2 is 1K" class="alignnone size-full wp-image-172581" height="197" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q7a.png" width="266"/></a>
B. 0.96mA
C. 2.13mA
D. 1.56mA
E. 1.23ma
Answer» D. 1.56mA
Discussion
3.

In the given circuit input voltage V is 2V and VB is 1V. The resistance R1 and R2 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10 . The current I will be
(Use piecewise linear model of diode)

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q7a.png"><img alt="Find the current I input voltage V is 2V, VB is 1V, resistance R1 &amp; R2 is 1K" class="alignnone size-full wp-image-172581" height="197" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q7a.png" width="266"/></a>
B. 0.29mA
C. 0.21mA
D. 0.36mA
E. 0.15mA
Answer» B. 0.29mA
Discussion
4.

In the given circuit input voltage V1 is -3V and V2 is -1V. The resistance R1 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10 . The approximate current I is _________
(Use piecewise linear model of diode)

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q5a.png"><img alt="Find the approximate current I input voltage V1 is -3V, V2 is -1V &amp; resistance R1 is 1K" class="alignnone size-full wp-image-172580" height="121" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q5a.png" width="172"/></a>
B. -1mA
C. -2mA
D. -0.2mA
E. -0.1mA
Answer» C. -2mA
Discussion
5.

In the given circuit voltage V = 2V.cut-in voltage of diode is 0.7V. Forward resistance is 10 . The current I through the circuit is ____________
(Assume piecewise linear model for diode)

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q4a.png"><img alt="Find current I through circuit if cut-in voltage is 0.7V &amp; Forward resistance is 10 " class="alignnone size-full wp-image-172579" height="95" src="https://www.sanfoundry.com/wp-content/uploads/2017/07/analog-circuits-questions-answers-piecewise-linear-model-diode-1-q4a.png" width="136"/></a>
B. 0.235mA
C. 1.29mA
D. 1.63mA
E. 2.27mA
Answer» E. 2.27mA
Discussion