An LC Circuit Has an Inductance of 20 MH and a Capacitance

question 66

Multiple Choice

An LC circuit has an inductance of 20 mH and a capacitance of 5.0 $\mu$ F.At time t = 0 the charge on the capacitor is 3.0 $\mu$ C and the current is 7.0 mA.The total energy is:

• A)4.1 * 10^-7 J
• B)4.9 * 10^-7 J
• C)9.0 * 10^-7 J
• D)1.4 * 10^-6 J
• E)2.8 *10^-6 J

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