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A circuit has a resistance of 11 ohm, an inductive reactance of 25 ohm and a capacitivereactance of 18 ohm. It is connected to an ac source of 260 V andthrough the circuit is:a) 11 A50 Hz. The currentb) 15 Ac) 18 Ad) 20 A |
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Answer» total impedance of the circuit = 11 + (25-18)ĵ = 11 + 7ĵmagnitude of impedance = √11²+7² = 13So, current = 260/13= 20 A |
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