Question

A charge of `35 C` passes through a circuit every `5 s`. If the circuit can generate `14 W` of power, what is the circuit's resistance?

Answer 1

`R=2/7ohm`

Explanation:

`I=(Delta Q)/(Delta t)`
`I=35/5=7A`
`P=I^2*R`
`14=7^2*R`
`R=14/(7*7)`
`R=2/7ohm`