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An LR circuit consists of a resistance of $30 Ω$ and a coil of inductive reactance $40 Ω$ . If the circuit is connected across 260 volt ac mains, the current in circuit is

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2 A

5.2A

224A

223A

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detailed solution

Correct option is B

i=Ez=ER2+XL2=260302+402=2602500=26050=5.2 A .

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An LR circuit consists of a resistance of 30 Ω and a coil of inductive reactance40 Ω . If the circuit is connected across 260 volt ac mains, the current in circuit is

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Ready to Test Your Skills?

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An LR circuit consists of a resistance of $30 Ω$ and a coil of inductive reactance $40 Ω$ . If the circuit is connected across 260 volt ac mains, the current in circuit is