Question

If the charge on a capacitor is increased by 2 coulomb the energy stored in it increases by 21%

Answer 1

concept of energy stored in charged capacitor

Answer 2

Answer:

Q = 20 c

Explanation:

given that :

Q1 = Q

Q2 = Q+2

we know that : u = Q ^ 2 (SQUARE) / 2C

therefore energy is directly proportional to square of charge

for further explanation see the attached photo

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