Explore topic-wise MCQs in Electric Circuits.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

One can find the thevenin s resistance simply by removing all voltage/current sources and calculating equivalent resistance.

A. False
B. True
Answer» C.
Discussion
2.

What is the expression forthe thevenin s current if there is an external resistance in series with the RTh?

A. V<sub>Th</sub>/I<sub>Th</sub>
B. V<sub>Th</sub>/ (R<sub>Th</sub>-R)
C. V<sub>Th</sub>/ (R<sub>Th</sub>+R)
D. V<sub>Th</sub>/R<sub>Th</sub>
Answer» D. V<sub>Th</sub>/R<sub>Th</sub>
Discussion
3.

Thevenin s resistance RTh = ___________

A. V<sub>Th</sub>/I<sub>SC</sub>
B. VSC/I<sub>Th</sub>
C. V<sub>Th</sub>/I<sub>Th</sub>
D. V<sub>SC</sub> /I<sub>SC</sub>
Answer» B. VSC/I<sub>Th</sub>
Discussion
4.

Norton s current is equal to ____________

A. Short circuit voltage
B. Open circuit current
C. Open circuit voltage
D. Short circuit current
Answer» E.
Discussion
5.

Thevenin s voltage is equal to ____________

A. Short circuit voltage
B. Open circuit current
C. Open circuit voltage
D. Short circuit current
Answer» D. Short circuit current
Discussion
6.

Norton s equivalent circuit consists of a _____________

A. Voltage source in series with a resistor
B. Current source in parallel with a resistor
C. Both voltage and current sources
D. Current source in series with a resistor
Answer» C. Both voltage and current sources
Discussion
7.

Thevenin s equivalent circuit consists of a ____________

A. Voltage source in series with a resistor
B. Current source in parallel with a resistor
C. Voltage source in parallel with a resistor
D. Current source in series with a resistor
Answer» B. Current source in parallel with a resistor
Discussion