A series LCR circuit is connected to an ac source of 220 V, 50 Hz. The circuit contains a resistance R = 100Ω…

Question

A series LCR circuit is connected to an ac source of $220 \, \text{V}$ , $50 \, \text{Hz}$ . The circuit contains a resistance $R = 100\Omega$ and an inductor of inductive reactance $X_L = 79.6 \, \Omega$ . The capacitance of the capacitor needed to maximize the average rate at which energy is supplied will be _____ $\mu \text{F}$ .

A
$30 \, \mu \text{F}$
B
$40 \, \mu \text{F}$
C
$50 \, \mu \text{F}$
D
$60 \, \mu \text{F}$

Accepted Answer

B. **$$40 \, \mu 	ext{F}$$**

Answer

A. **$$30 \, \mu 	ext{F}$$**

Answer

C. **$$50 \, \mu 	ext{F}$$**

Answer

D. **$$60 \, \mu 	ext{F}$$**

Answer & step-by-step solution

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