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
An LC circuit (as shown to the right) has an inductance of 20 mH and a...
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