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A cylindrical capacitor has charge Q and...

A cylindrical capacitor has charge Q and length L. If both the charge and length of the capacitor are doubled by keeping other parameters fixed, the energy stored in the capacitor

A

remains same

B

increases two times

C

decreases two times

D

increases four times

Text Solution

Verified by Experts

The correct Answer is:
B
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DISHA PUBLICATION-ELECTROSTATIC POTENTIAL AND CAPACITANCE-EXERCISE -1: CONCEPT BUILDER
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  12. The capacitance of a parallel plate capacitor is C(a) (fig a). A diele...

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  13. A parallel plate air capacitor is charged to a potential difference of...

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