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In a circuit shown in figure. What will be the readings of a voltmeter and ammeter, if A.C source of 220 V and 100 Hz is connected.

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220 V ; 2.2 A

800 V ; 2 V

300 V ; 2 A

100 V ; 2 A

answer is C.

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Detailed Solution

$V_{r e s} = \sqrt{V_{R}^{2} + {(V_{L} - C_{C})}^{2}}; V_{L} = V_{C}$

$V = V_{R}; V_{R} = 220 V; V_{L} = V_{C} \Rightarrow X_{L} = X_{C}; i = \frac{V_{R}}{12} = \frac{220}{100} = 2.2 A m p$ .

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