220 V, 50 Hz , AC is applied to a resistor . The instantaneous value of voltage is

An AC source rated 220 V, 50 Hz is connected to a resistor. The time taken by the current to change from its maximum to the rms value is :

The household voltage is (220V, 50Hz). What is the. instantaneous value of the voltage(equation)

A resistance of 50 Omega is connected to an ac source of 220 V, 50 Hz. Find (i) the rms current (ii) The maximum instantaneous current in the resistor and (iii) the time taken by the current to change from its maximum value to the rms value.

A 50 Omega resistor is connected in series to an inductor and a capacitor to an AC source 220 V , 50 Hz . Calculate the value of inductance and capacitance if voltages across resistor inductor and capacitor are 75 V , 210 V and 420 V respectively.

A 220 V, 50 Hz AC supply is connected across a resistor of 50 k omega . The current at time t second. Assuming that it is zero at t = 0 , is