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if the charge on a capacitor is increased by 2c

Q. If the charge on a capacitor is increased by 2C, the energy stored in it increases by 21%. The original charge on the capacitor (in coulomb) is :

a) 10C

b) 20C

c) 30C

d) 40C                                                                                                                                                          (CBSE)

Aditya Bhatt Answered question 26 January 2024
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