A charge of 24 C24C passes through a circuit every 9 s9s. If the circuit can generate 16 W16W of power, what is the circuit's resistance?

1 Answer
Mar 29, 2016

R=2,25 " "OhmR=2,25 Ohm

Explanation:

"the electric current is given as:"the electric current is given as:
I=(Delta Q)/(Delta t)

Delta Q=24 C" "Delta t=9 " s"

I=24/9=8/3 " "A

"P=Power R:Resistance"

P=I^2*R
16=(8/3)^2*R

cancel(16)=cancel(64)/9*R

R=9/4

R=2,25 " "Ohm