Question

An electric heater of resistance $200\Omega$ . At what rate will heat be produced in it, when current of $2.5A$ flow through it.

Answer 1

The Heat produced in the resistor is given as follow

$H=I^2\times R\times t$

The heat rate will be

$P=I^2\times R$

By substituting the values in the above given formula we get

$P={\left(2.5\right)}^2\times 200$

Hence the heat produced will be$1KW$