An alternating current having peak value 1.4A is used to heat a metal wire.To produce the same heating effect in same metal wire,a constant current i can be used,where i is nearly

An alternating current having peak value 14 A is used to heat a metal wire. To produce the same heating effect, a constant current i can be used where i is

In a heating arrangement , an alternating current having a peak value of 28 A is used . To produce the same heat energy , If the constant current is used, its magnitude must be

Alternating current with peak value 20 sqrt(2) A is used to produce required amount of heat across a resistor. What constant current is needed to produce same amount of heat across the same resistance in same time ?

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

The electric current passes through a metallic wire produces heat because of :

The rms value of alternating current which when passed through a resistor produces heat energy four times that produced by directed current of 2 A through the same resistor in same time is

The heat developed in an electric wire of resistance R by a current I for a time t is