Initially the potential difference of a 8 F capacitor is 30 V. Then i – McqOptions

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1.	Initially the potential difference of a 8 F capacitor is 30 V. Then it is changed to 40 V. What is the increase in energy?
A.	28 10<sup>-4</sup> J
B.	18 10<sup>-4</sup> J
C.	8 10<sup>-4</sup> J
D.	24 10<sup>-4</sup> J
Answer» B. 18 10<sup>-4</sup> J

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