Alternating Current

Related Questions

• In an ac circuit, the current is given by $i = 5\sin \,\left( {100\,t - \frac{\pi }{2}} \right)$ and the ac potential is$V = 200\sin \,(100)\,volt.$ Then the power consumption is

  ---

• In the non-resonant circuit, what will be the nature of the circuit for frequencies higher than the resonant frequency

  ---

• For an ac circuit $V = 15\sin \omega t$ and $I = 20\cos \omega t$ the average power consumed in this circuit is

  ---

• An ac circuit consists of an inductor of inductance $0.5 H$ and a capacitor of capacitance $8 \mu F$ in series. The current in the circuit is maximum when the angular frequency of ac source is

  ---

• In LCR circuit, the capacitance is changed from $C$ to $4C$. For the same resonant frequency, the inductance should be changed from $L to

  ---