Explore topic-wise MCQs in Electronic Devices and Circuits.

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

1.

Which of the following points locates the quiescent point?

A. (I<sub>C</sub>, V<sub>CB</sub>)
B. (I<sub>E</sub>, V<sub>CE</sub>)
C. (I<sub>E</sub>, V<sub>CB</sub>)
D. (I<sub>C</sub>, V<sub>CE</sub>)
Answer» B. (I<sub>E</sub>, V<sub>CE</sub>)
Discussion
2.

A change in 700mV in base emitter voltage causes a change of 200 A in the base current. Determine the dynamic input resistance.

A. 2k
B. 10k
C. 3k
D. 3.5k
Answer» D. 3.5k
Discussion
3.

The output resistance is given by _________

A. V<sub>CE</sub>/ I<sub>B</sub>
B. V<sub>BE</sub>/ I<sub>B</sub>
C. V<sub>BE</sub>/ I<sub>C</sub>
D. V<sub>CE</sub>/ I<sub>C</sub>
Answer» E.
Discussion
4.

Which of the following depicts the output characteristics of a CE transistor?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3.png"><img alt="The following depicts the output characteristics of a CE transistor - option a" class="alignnone size-full wp-image-204958" height="159" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3.png" width="244"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3a.png"><img alt="The following depicts the output characteristics of a CE transistor - option b" class="alignnone size-full wp-image-204959" height="168" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3a.png" width="281"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3b.png"><img alt="The following depicts the output characteristics of a CE transistor - option c" class="alignnone size-full wp-image-204960" height="189" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3b.png" width="277"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3c.png"><img alt="The following depicts the output characteristics of a CE transistor - option d" class="alignnone size-full wp-image-204961" height="215" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q3c.png" width="279"/></a>
Answer» E.
Discussion
5.

The input characteristics of a CE transistor is_________

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1.png"><img alt="The input characteristics of a CE transistor - option a" class="alignnone size-full wp-image-204954" height="125" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1.png" width="177"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1a.png"><img alt="The input characteristics of a CE transistor - option b" class="alignnone size-full wp-image-204955" height="115" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1a.png" width="182"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1b.png"><img alt="The input characteristics of a CE transistor - option c" class="alignnone size-full wp-image-204956" height="132" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1b.png" width="185"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1c.png"><img alt="The input characteristics of a CE transistor - option d" class="alignnone size-full wp-image-204957" height="131" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1c.png" width="174"/></a>
Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1b.png"><img alt="The input characteristics of a CE transistor - option c" class="alignnone size-full wp-image-204956" height="132" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/electronic-devices-circuits-questions-answers-ce-characteristics-q1b.png" width="185"/></a>
Discussion