MCQOPTIONS
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| 1. |
LC circuit contains a 20 mH inductor and a \[50\,\mu F\]capacitor with an initial charge of 10 mC. The resistance of the circuit is negligible. Let the instant the circuit is closed at t=0. At what time is the energy stored completely magnetic? |
| A. | t=0 |
| B. | t=1.57 ms |
| C. | t=3.14 ms |
| D. | t= 6.28 ms |
| Answer» C. t=3.14 ms | |