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1.When an electric current is passed through a conductor, the conductor becomes hot after some time and produce heat. This happens due to the conversion of some electric energy passing through the conductor into heat energy. This effect of electric current is called heating effect of current.

2.As per the law of combination of resistances in series,

R=R1 +R2 +R3+R4+R5

R=0.2+0.2+0.2+0.2+0.2

=1ohm

3.power is amount of electrical energy consumed per unit time. Amount of power consumed in a device is proportional to the current flowing in the device. The unit of electric power is watt.

this a false

explanation: