An elastic heater of resistance `115ohm` is made to work on 230 V supply
What will be the current through this heater while it is working.

An elastic heater of resistance 115ohm is made to work on 230 V supply Calculate the power of this heater.

An elastic heater of resistance 115ohm is made to work on 230 V supply Calculate the heat generated by this heater if it works for 10 minutes.

A bulb is marked 220 V and 40 W. Calculate the current flowing through the bulb and its resistance.

A 100Omega resistor is connected to a 220 V, 50 Hz ac supply What is the rms value of the current in the circuit?

The resistance of the armature of a dc motor is 50 Omega . A power supply of 200 V is connected across it and the current through the armature is 2A. What is back emf ?

A 100xx10^(-6) capacitor is series with a 40Omega resistance is connected to a 110 V, 60 Hz supply. What is the maximum current in the circuit?