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What is the energy in a capacitor if the voltage is 5V and the charge is10C?(a) 25J(b) 35J(c) 54J(d) 55JThis question was addressed to me in examination.Question is taken from Discharge of a Capacitor Through a Resistor in portion Capacitance and Capacitors of Basic Electrical Engineering |
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Answer» CORRECT option is (a) 25J Explanation: We KNOW that Q/V=C. Hence the value of capacitance is 2F. U=(Q*V)/2 = (10*5)/2 = 25 J. |
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