Question 1
A wire of resistance R is stretched such that its length is doubled while maintaining a constant volume. What is the new resistance of the wire?
Correct Answer:
4R
Question 2
Which of the following materials has a negative temperature coefficient of resistance?
Correct Answer:
Silicon
Question 3
A capacitor of 10 μF is charged to a potential difference of 100 V. What is the electrostatic energy stored in the capacitor?
Correct Answer:
0.05 J
Question 4
How does the self-inductance of a coil change if the number of turns is doubled, assuming the length and cross-sectional area remain constant?
Correct Answer:
It increases fourfold
Question 5
What is the SI unit of electrical conductivity?
Correct Answer:
Siemens per meter
Question 1
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About this Exam

Prepare with the RRB JE CBT 2 Electrical Practice Questions - RRB Junior Engineer CBT 2 - Electrical & Allied Engineering Exam practice quiz. This question bank includes 100 questions covering voltage, circuit, power, resistance, 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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RRB JE CBT 2 Electrical Practice Questions - RRB Junior Engineer CBT 2 - Electrical & Allied Engineering Exam

This practice set contains 100 questions from the matching question bank and focuses on voltage, circuit, power, resistance, 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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