Alternating Cur...

The instantaneous value of emf and current in an A.C. circuit are; $$E=1.414sin\left ( 100\pi t-\frac{\pi }{4} \right )$$ , $$I=0.707sin(100\pi t)$$ . The impedance of the circuit will be

The capacitive reactance of 50 $$\mu$$F capacitance at a frequency of $$2 \times 10^{3}$$Hz will be ____ $$\Omega $$

The phase angle between current and voltage in a purely inductive circuit is :

The instantaneous value of emf and current in an A.C. circuit are; $$E=1.414sin\left ( 100\pi t-\frac{\pi }{4} \right )$$ , $$I=0.707sin(100\pi t)$$ . The admittance of the circuit will be _______ mho.

In a circuit, the frequency is $$f=\dfrac{1000}{2\pi }$$Hz and the inductance is 2 henry, then the reactance will be

The instantaneous value of emf and current in an A.C. circuit are: $$E=1.414sin\left ( 100\pi t-\frac{\pi }{4} \right )$$, $$I=0.707sin(100\pi t)$$ .The reactance of the circuit
will be

The instantaneous value of emf and current in an
A.C. circuit are; $$E=1.414sin\left ( 100\pi t-\dfrac{\pi }{4} \right )$$ ,
$$I=0.707sin(100\pi t)$$ . RMS value of current will be

The instantaneous value of emf and current in an A.C. circuit are; $$E=1.414sin\left ( 100\pi t-\dfrac{\pi }{4} \right )$$ , $$I=0.707sin(100\pi t)$$. The RMS value of emf will be

In an AC circuit containing only capacitance, the current :

An inductive coil has a resistance of 100 $$\Omega $$ . When an AC signal of frequency 1000 Hz is applied to the coil, the voltage leads the current by $$45^{o}$$. The inductance of the coil is