phase angle

An electrical component has voltage drop $v = V_m \sin (\omega t)$, when the current through it is $i = I_m \sin (\omega t-\theta)$. What is the average power dissipated over a hal...

The transfer function of a system is given by $${{{V_0}\left( s \right)} \over {{V_i}\left( s \right)}} = {{1 - s} \over {1 + s}}$$ Let the output of the system be $${v_0}\left( t...

The voltage applied to a circuit is $$100\sqrt2\cos\left(100\mathrm{πt}\right)$$ volts and the circuit draws a current of $$10\sqrt2\;\sin\left(100\mathrm{πt}+\mathrm\pi/4\right)$$...