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MHT CET Physics question

PhysicsAlternating CurrentMHT CET

In an electrical circuit R, L, C and an AC voltage source all connected in series. When L is removed from the circuit, the phase difference between the voltage and the current in the circuit is . If instead C is removed from the circuit, the phase difference is again . The power factor of the circuit is

Answer: (C)

Solution

Without L: ; without C: , so . The full circuit is in

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Question ID VK-082385