The output E of an alternating voltage supply of frequency 50 Hz is shown in Fig. From this Fig, state
root mean square voltage `E_(v)`

The output E of an alternating voltage supply of frequency 50 Hz is shown in Fig. From this Fig, state (i) value of time t_(1) (ii) peak voltage E_(0) (iii) root mean square voltage E_(v) (iv) mean supply is connected in series with a resistance of 2.4 Omega , calculate the mean power dissipated in the resistor.

The variation with time t of the output E of an alternating voltage supply of frequency 50 Hz is shown in the figure. State the time t_1 , the peak value E_0 of the voltage, the root mean square voltage E_(rms) , the mean (Average) voltage E_(av)

The variation with time t of the output E of an alternating voltage supply of frequency 50 Hz is shown in the figure. The alternating supply is connected in series with a resistor of resistance 2.4 ohm. Calculate the mean power dissipated in the resistor.

A 12V resistance and an inductance of 0.05/pi H are connected in series. Across the end of this circuit an alternating voltage of 130 V and frequency 50 Hz is connected. Calculate the current in the circuit and the potential differnece across the inductance.

A pure inductor of 50 mH is connected to an a.c. supply of 220 V and frequency 50 Hz. Find its inductive reactance

A graph of x versus t is shown in fig. choose corredt alternatives from below.

An alternating voltage given by E = 280 sin 50 pit is connected across pure resistor of 40 Omega . Find frequency of the source.

A resistor, a capacitor of 100muF capacitance and an inductance are in sereis with an a.c. source of frequency 50 Hz. If the current in the circuit is in phase with the voltage, calculate the inductance of the inductor used.