Physics

Problem

Which one of the following relations correctly expresses the heat

H

produced in a resistor when an electric current

I

flows through it for a time

t

and its resistance is

R

? a)

H = \dfrac{1}{2} I^2 R t

H = 60 \, I^2 R t

H = I^2 R t

H = \dfrac{I^2 R t}{1000}