electrice current

Question

During 43 seconds

 of use, 300 C

 of charge flow through a microwave oven. Compute the size of the electric current.

Answer 1

Electric current can be defined as the rate of charge passing through a wire per second.

This can be represented mathematically as: I = Q/t where I is current, Q is charge, and t is time.

Your microwave oven utilized 300 C of charge over the 43 seconds of use. Applying this to our current definition, we see I = 300 C / 43 s = 6.98 C/s

An Ampere is defined as Coulomb/second .... so the electric current is 7 A (when adhering to significant digits).