Question

A huge capacitor bank powers the large Nova laser at Lawrence Livermore National Lab, in California.

Each capacitor can store 1450 J of electrical potential energy when a potential difference of 1.0 x 10 (to the 4th power) V is applied across its plates.

What is the capacitance of this capacitor?

Answer 1

Solution:

Using the formula,

=> E = 0.5 CV^2

=> 1450 = 0.5 x C x (10^4)^2

=> 2900 = C x 10^8

=> C = 29 uF ( microFarad)

Thanks