A series LCR circuit driven by 300 V at a frequency of 50 Hz contains a resistance R = 3 k$\Omega$, an inductor of inductive reactance XL = 250 $\pi$$\Omega$ and an unknown capacitor. The value of capacitance to maximize the average power should be : (Take $\pi$2 = 10)

Question

A series LCR circuit driven by 300 V at a frequency of 50 Hz contains a resistance R = 3 k$\Omega$, an inductor of inductive reactance X_L = 250 $\pi$$\Omega$ and an unknown capacitor. The value of capacitance to maximize the average power should be : (Take $\pi$² = 10)

4 $\mu$F

25 $\mu$F

400 $\mu$F

40 $\mu$F

Solution

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