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NEET 2016 Physics question

PhysicsAlternating CurrentNEET 2016

An inductor 20 mH, a capacitor 50 F and a resistor are connected in series across a source of emf . The power loss in A.C. circuit is :

Answer: (1)

Solution

Reactances: and . Impedance: . The r.m.s. emf is

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Question ID VK-091874