RC, LR and LC Circuits With AC Sources

Author:L.A.Sena
JEE Main / Advanced
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Important Questions on RC, LR and LC Circuits With AC Sources

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A Collection of Questions and problems in Physics>Alternating Current>RC, LR and LC Circuits With AC Sources> Q 1

In the circuit shown in the Figure, a capacitor of capacitance C is connected in parallel with a resistor R. How will this influence the time dependence of the current?

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A Collection of Questions and problems in Physics>Alternating Current>RC, LR and LC Circuits With AC Sources> Q 2

The figure shows the vector diagram of reactances and resistances in an AC circuit. Construct a similar diagram for a circuit in which the current frequency is doubled and the emf amplitude is the same, and determine how the current will change as a result of this.

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