Series & Parallel Circuits MCQs

Practice Series & Parallel Circuits MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Network TheorySeries & Parallel Circuits

Two resistors of 4 ohm and 6 ohm are connected in series. Their equivalent resistance is?

A2.4 ohm
B5 ohm
C10 ohm
D24 ohm

Show AnswerHide Answer Report an error

Correct Answer: C. 10 ohm

Explanation: Series resistances add directly: Req = 4 + 6 = 10 ohm.

Reference: Standard network theory: series & parallel circuits

Question 2

Network TheorySeries & Parallel Circuits

Two resistors of 6 ohm and 3 ohm are connected in parallel. Their equivalent resistance is?

A2 ohm
B3 ohm
C4.5 ohm
D9 ohm

Show AnswerHide Answer Report an error

Correct Answer: A. 2 ohm

Explanation: For two parallel resistors, Req = R1R2/(R1+R2) = 18/9 = 2 ohm.

Reference: Standard network theory: series & parallel circuits