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If the charge stored in a capacitor is 4C and the value of capacitance is 2F, calculate the energy stored in it.(a) 2J(b) 4J(c) 8J(d) 16J |
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Answer» Correct answer is (b) 4J Easy explanation: The expression for finding the value of energy is: U=Q^2/2C = 4*4/(2*2) = 4J. |
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