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An LC circuit (as shown to the right) has an induc

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Answer #1

4.

L = 0.020 H

C = 5 x 10-6 F

Q = charge = 3 x 10-6 F

i = current = 0.007 A

Total energy = E = (0.5) Q2/C + (0.5) L i2 = (0.5) (3 x 10-6)2 /( 5 x 10-6) + (0.5) (0.02) (0.007)2

E = 1.4 x 10-6 J

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