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When the potential difference between the plates of a capacitor is halved, the magnitude of the...

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Physics

When the potential difference between the plates of a capacitoris halved, the magnitude of the electric energy stored in thecapacitor U:

a. is 2U b. is U/2c. remains the same d. is U/4

EXPLAIN.

Answer & Explanation Solved by verified expert
3.6 Ratings (379 Votes)
The answer is option d ie 1 The energy stored in the capacitor is given by Where C is capacitance V is the potential difference U is theenergy stored in the capacitor2 Now by substituting V2 in the above formula we see that    See Answer
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