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The voltage of a capacitor 12F with a rating of 2J energy is(a) 0.57(b) 5.7(c) 57(d) 570I have been asked this question by my college professor while I was bunking the class.My doubt stems from Stokes Theorem topic in section Vector Calculus of Electromagnetic Theory

Answer»

The correct option is (a) 0.57

The EXPLANATION: We can compute the ENERGY stored in a capacitor from Stoke’s theorem as 0.5Cv^2. Thus GIVEN energy is 0.5 X 12 X v^2. We get v = 0.57 volts.



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