In an L-R-C series circuit, the resistance is 500 ohms, the inductance is 0.380

Question

In an L-R-C series circuit, the resistance is 500 ohms, the inductance is 0.380 henrys, and the capacitance is 2.00×102 microfarads.

What is the resonance angular frequency 0 of the circuit? Express your answer in radians per second to three significant figures.

The capacitor can withstand a peak voltage of 590 volts. If the voltage source operates at the resonance frequency, what maximum voltage amplitude Vmax can the source have if the maximum capacitor voltage is not exceeded?Express your answer in volts to three significant figures.

Explanation / Answer

0 = sqrt (1/LC) = 1/(0.380*2*10^-2) = 11.47 sec-1

Vmax = sqrt 2 * 590 = 831.9 V

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