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Power in an AC Circuit

In the given ...

Question

In the given A.C, circuit, the instantaneous current through inductor and capacitor are $0.8 A$ and $0.4 A$ respectively. The instantaneous current through resistor is

1.2 A

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0.6

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0.4

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\sqrt{0.8} A

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Solution

The correct option is C $0.4$

As given,
$i_{L} = 0.8 A$
$i_{C} = 0.4 A$
Because, $i_{R} = i_{L} - i_{C}$ in such condition,
$∴ i_{R} = 0.8 - 0.4$
$i_{R} = 0.4 A$

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