In an a.c. circuit the voltage applied is E = E₀ sin ω t. The resulting current in the circuit is I = I₀ sin (ω t - (π)/2). The power consumption in the circuit is given by

Electromagnetic Induction and Alternating Currents: JEE Main 2007 Physics question

JEE Main 2007 · Annual, Paper 1 · Q5870

JEE Main 2007Annual, Paper 1PhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002

In an

a.c.

circuit the voltage applied is

E = {E_0}\,\sin \,\omega t.

The resulting current in the circuit is

I = {I_0}\sin \left( {\omega t - {\pi \over 2}} \right).

The power consumption in the circuit is given by