Electrostatics Question 112

Question: A capacitor is used to store 24 watt hour of energy at 1200 volt. What should be the capacitance of the capacitor [Kerala (Engg.) 2001]

Options:

A) $ 120mF $

B) $ 120\mu F $

C) $ 24\mu F $

D) $ 24mF $

Show Answer

Answer:

Correct Answer: A

Solution:

$ U=\frac{1}{2}CV^{2} $

So $ 24\times 60\times 60=\frac{1}{2}C{{(1200)}^{2}} $

therefore C=120 mF



NCERT Chapter Video Solution

Dual Pane