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Question 1
A star network has three equal resistors of 9 Ω each. What is the value of the equivalent resistors in the delta network?
Correct Answer:
27 Ω
Question 2
A series RC circuit with R = 10 kΩ and C = 100 μF is connected to a 10 V DC supply at t = 0. What is the voltage across the capacitor at t = 1 second?
Correct Answer:
6.32 V
Question 3
An AC voltage v(t) = 100 cos(314t + 30°) V is applied to a load, resulting in a current i(t) = 5 cos(314t - 30°) A. What are the active power and power factor of the load?
Correct Answer:
125 W, 0.5 lagging
Question 4
A parallel RLC circuit has R = 3.16 kΩ, L = 10 mH, and C = 0.1 μF. What are the resonant frequency (ω_0) and quality factor (Q) of this circuit?
Correct Answer:
31,622 rad/s, 10
Question 5
For a two-port network, the impedance parameters are Z_11 = 4 Ω, Z_12 = Z_21 = 2 Ω, and Z_22 = 3 Ω. What is the transmission parameter A of the network?
Correct Answer:
2.0
Question 1
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About this Exam

Prepare with the ISRO Scientist Electrical Practice Questions - ISRO Scientist Engineer SC - Electrical Engineering Exam practice quiz. This question bank includes 100 questions covering current, power, resistance, load, and motor. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ISRO Scientist Electrical Practice Questions - ISRO Scientist Engineer SC - Electrical Engineering Exam

This practice set contains 100 questions from the matching question bank and focuses on current, power, resistance, load, and motor. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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