Electrostatics Question 93

Question: A 10pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the capacitor [KCET 1999]

Options:

A) 1.25×10−8J

B) 2.5×10−7J

C) 3.5×10−5J

D) 4.5×10−2J

Show Answer

Answer:

Correct Answer: A

Solution:

U=12CV2=12×10×10−12×(50)2=1.25×10−8J

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