If potential difference and current flowing through a wire is increased twice each then electric power :

The potential difference between the two end terminals of an electric heater is 220 V and the current through it is 0.5 A. What would be the current through the heater if the potential difference acr…

With reference to the electric potential which of the following statements is incorrect?

If the speed of a moving magnet inside a coil increases, the electric current in the coil

Who amongst the following is a pioneer in discovering the heating effect of electric current ?

The instrument used for detecting the presence of electric current in a circuit is