Alternating Cur...

An inductance of 1 mH a condenser of 10μF and a resistance of 50Ω are connected in series. The reactances of inductor and condensers are same. The reactance of either of them will be

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

In a region of uniform magnetic induction B = 10^-2 tesla, a circular coil of radius 30 cm and resistance π² ohm is rotated about an axis which is perpendicular to the direction of B and which forms a diameter of the coil. If the coil rotates at 200 rpm the amplitude of the alternating current induced in the coil is

In a LCR circuit having L = 8.0 henry, C = 0.5 μF and R = 100 ohm in series. The resonance frequency in per second is

The impedance of a circuit consists of 3 ohm resistance and 4 ohm reactance. The power factor of the circuit is

L, C and R denote inductance, capacitance and resistance respectively. Pick out the combination which does not have the dimensions of frequency

The power factor of a good choke coil is

An alternating current source of frequency 100 Hz is joined to a combination of a resistance, a capacitance and a coil in series. The potential difference across the coil, the resistance and the capacitor is 46, 8 and 40 volt respectively. The electromotive force of alternating current source in volt is

L, C and R represent physical quantities inductance, capacitance and resistance respectively. The combination representing dimension of frequency is

In a series circuit R = 300Ω, L = 0.9 H, C = 2.0µF and ω = 1000 rad/sec. The impedance of the circuit is