Heat Produced By An Electric Current

Write an expression for the heat produced when an electric current is passed through it.

According to Joule's law , quantity of heat (H) produced by an electric current = …………….. .

Name two effect produced by electric current.

Heat produced in an electric circuit depends upon the potential difference, current and time.

Heat produced in an electric circuit depends upon the potential difference, current and time.

(a) How is heat produced in a conductor by an electric current ? (b) What are the factors on which heat produced due to a current flowing through a conductor depend ?

Some of the polar crystals, on heating produce a small electric current called

The heat produced by passing an electric current through a fixed resistor is proportional to the square of:

Some polar crystals when heated produce small electrical current. The phenomenon is called