1.
In an circuit the current
2.
At high frequency, the capacitor offer
3.
In the circuit shown below, the key K is closed at t = 0. The current through the battery is
4.
Voltage V and current i in AC circuit are given by
V=50 sin⁡(50t)volt
i=50 sin⁡ 
The power dissipated in circuit is 
5.
A resistance of and an inductance of are connected in series in a ac circuit. The impedance of this combination is very nearly