In a `L-R` circuit, the value of `L` is `(0.4/(pi))` henry and the value of `R` is `30` ohm. If in the circuit, an alternating e.m.f of `200` vol at `50` cycles per sec is connected, the impendence of the circuit will be

An inductance of 0.4/(pi) henry and a resistace of 30 Omega are joined in series. If an alternating e.m.f. of 200 V, 50 Hz is applied to their combination, then the impedance of the circuit will be

In an ac circuit , L = (0.4)/(pi) H and R = 30 Omega . If the circuit has an alternating emf of 220 V, 50 cps, the impedance and the current in the circuit will be :

An L-C_R series circuit is joined to a source of alternating e.m.f. If R=9 Omega, X_(L)=28 Omega, X_(C)=16 Omega , then the impedance of the circuit will be

If frequency of R- L circuit is f then impedence will be

A circuit consists of a resistance 10 ohm and a capacitance of 0.1 mu F If an alternating e.m.f. of 100 V. 50 Hz is applied, calculate the current in the circuit.

An L-R circuit has a cell of e.m.f. E , which is switched on at time t = 0. The current in the circuit after a long time will be

In an ac circuit, an inductor, a capacitor and a resistor are connected in series with X_(L) = R = X_(c) . Impedance of this circuit is :

A circuit has a resistance of 50 ohms and an inductance of 3/pi henry.It is connected in series with a condenser of 40/pi muF and AC supply voltage of 200 V and 50 cycles/sec.Calculate (i)the impedance of the circuit. (ii)the p.d. across inductor coil and condenser. (iii)Power factor

An alternating current of frequency 'f' is flowing in a circuit containing a resistance R and a choke L in series. The impedence of this circuit is

In an L-C-R series circuit, R = sqrt(5) Omega, = 9 Omega, X_(C ) = 7 Omega . If applied voltage in the circuit is 50 V then impedance of the circuit in ohm will be