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Capacitor - Questions and Answers

Practice questions on Capacitor.

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11. Pick out the correct formula connecting capacity C, voltage V, and the charge Q
A. C = V/Q
B. C = Q/V
C. C = VQ
D. C = QV
Explanation:
12. The capacitance of a parallel plate capacitor is 2µF.If the surface area of the palte is doubled and the distance between the plates is halved, what will be the capacitance of the condensor
A. 6 µF
B. 2 µF
C. 8 µF
D. 1 µF
Explanation:
13. The electric field intensity in between the parallel plates of a capacitor is
A. σ/2εo
B. Q/2Aεo
C. V/d
D. Vd
Explanation:
14. Capacitor stores
A. magnetic energy
B. chemical energy
C. electrical energy
D. heat energy
Explanation:
15. When a glass is introduced in between the plates of a parallel plate air condenser, its capacitance will
A. not charge
B. decrease
C. increase
D. tend to zero
Explanation:
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