Question

A charge of `30 C` passes through a circuit every `5 s`. If the circuit can generate `27 W` of power, what is the circuit's resistance?

Answer 1

`R=9/13ohm`

Explanation:

`P=I^2*R`

and`I=C/t=6A`

therefore `27=36*R`
by the first formula.
there fore `R =9/13ohm`