Name two effect produced by electric current.

Name any two effects of electric current.

Name two effects produced by the atmospheric refraction.

Heat Produced By An Electric Current

A fish which produces electric current is

What is magnetic effect of electric current.

Describe with an example 'heating effects of electric current'.

(a) what is menat by the heating effect of current ? State three factors on which the heat produced in a wire by an electric current depends. (b) Explain why, through the heating element of an electric heater glows, but its connecting cord does not l glow. ( c) An electric geyser of resistance 20 Omega takes a current of 5 A. calculate the heat produced in 2 minutes. (d) Name the commercial unit of electric energy. How many joules are equal to this unit ?

The heating effect of effect of electric current is used in ____.