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Question

In the series LCR circuit (figure), the voltmeter and ammeter readings are:
1105219_6139a4f689de42c2ab391792b08eab86.png


A
V=100V,I=2A
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B
V=100V,I=5A
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C
V=1000V,I=2A
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D
V=300V,I=1A
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Solution

The correct option is A $$V=100V,I=2A$$
Formula,

$$V=\sqrt{V_R^2+(V_L-V_C)^2}$$

$$V_L=V_C\Rightarrow V=V_R=100V$$

$$I=\dfrac{V}{R}=\dfrac{100}{50}=2A$$

Physics

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