# The electromotive voltage of a generator is E=10V and it's internal resistance is r=10 Ohms.The generator is connected with a coil with inductance L=0.10H and negligible internal resistance, which...

The electromotive voltage of a generator is E=10V and it's internal resistance is r=10 Ohms.

The generator is connected with a coil with inductance L=0.10H and negligible internal resistance, which has in parallel link a capacitor with C=0.10 miuF.At one time, the switcher is opened.Find the maxim voltage at coil polarities.

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### 1 Answer

**Um=I*sqrt (L/C)=1 kV**