A Series Circuit Contains an 80-μF Capacitor,a 0

question 61

Multiple Choice

A series circuit contains an 80-μF capacitor,a 0.020-H inductor,and a switch.The resistance of the circuit is negligible.Initially,the switch is open,the capacitor voltage is 50 V,and the current in the inductor is zero.At time t = 0 s,the switch is closed.How long after closing the switch does the magnetic energy in the inductor first reach its maximum value?

• A)2.0 ms
• B)4.0 ms
• C)6.0 ms
• D)8.0 ms
• E)10 ms

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