A sinusodial voltage E = 200 sin 314 t is applied to a resistor of 10 ohm resistance. Calculate power dissipated as heat in watt.

A sinusodial voltage E = 200 sin 314 t is applied to a resistor of 10 ohm resistance. Calculate r.m.s. value of the voltage

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.

An alternating voltage E = 200 sin 300 t is applied across a series combination of resistance of 10 ohm and an inductor of 800 mH. Calculate impedance of the circuit.

An alternating voltage E = 200 sin 300 t is applied across a series combination of resistance of 10 ohm and an inductor of 800 mH. Calculate power factor of the circuit.

An alternating voltage E = 200 sin 300 t is applied across a series combination of resistance of 10 ohm and an inductor of 800 mH. Calculate peak value of current in the circuit

An a.c. voltage E = E_0 sin omegat is applied across a series combination of an inductor L, a capacitance C and a resistor R. Use the phasor diagram solution to obtain expressions for the impedance of the circuit.

A current of 5 ampere flows in a 10 ohm resistor. Calculate rate of heat energy produced in the resistor.

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.

An alternating voltage E=E_0 sin omegat is applied to a circuit containing a resistor R connected in series with a black box. The current in the circuit is found to be I = I_0 sin(omegat+pi/4) . State whether the element in the black box is a capacitor or indutor.