When the current changes the direction 50 times in one second then the frequency of a.c. is 50 Hz.
is this statement true.

A bulb is connected in alternating current circuit.The frequency of a.c. is 50 Hz. Clearly current becomes zero 100 times in one second, then why does the bulb not lit intermittently? If the frequency of a.c. be 2 Hz, then will the bulb lit intermittently?

Calculate the capacitive reactance of 5 muF capacitor for a frequency of 50 Hz

A coil has an inductance 0.7 H and is joined in series with a resistance of 220 ohm. Find the wattles component of the current in the circuit, when an alternating e.m.f. of 220 V at a frequency of 50 hz is supplied to it.

A resistor and a capacitor are connected to an ac supply of 200 V, 50 Hz, in series. The current in the circuit is 2A. If the power consumed in the circuit is 100 W then the resistance in the circuit

In half-wave rectification, what is the output frequency if the input frequency is 50 Hz. What is the output frequency of a full-wave rectifier for the same input frequency

An a.c. source of angular frequency omega is fed across a resistor R and a capacitor C in series. The current registered is I. If you the frequency of source is changed to omega//3 , maintaining the same voltage, current in the circuits is found to be halved. Caculate the ratio of reactance to resistance at the original frequency omega.