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Sunday, 21 June 2026
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Physics Past Questions and Answers

Topic: Parallel plate capacitors

Jamb Physics Questions - Parallel plate capacitors

Question 1:
What is the relative permitivity of a capacitor if its capacitance with a medium as dielectric is 16 farads and its capacitance with vacuum as dielectric is 2 farads?
  • A O
  • B \(\frac{1}{2}\)
  • C 2
  • D 8
  • E 32
View Answer & Explanation
Question 2:
In the circuit Shown above, calculate the effective capacitance between X and Y
  • A 3/4µF
  • B \( 2 \frac{10}{13} µF\)
  • C 12µF
  • D \( 4 \frac{12}{13} µF\)
  • E 13µF
View Answer & Explanation
Question 3:
Three 2-µF capacitors are arranged as seen in the circuit above . The effective capacitance between E and F is
  • A 0.75µF
  • B 1.33µF
  • C 3.00µF
  • D 6.00µF
View Answer & Explanation
Question 4:
Which of the following is most suitable for protecting the circuit of 2000W electric iron connected to a 250V mains?
  • A 13A
  • B 8A
  • C 5A
  • D 3A
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Question 5:
The net capacitance of the circuit shown above is
  • A 8.0µF
  • B 6.0µF
  • C 4.0µF
  • D 2.0µF
View Answer & Explanation