A charge of $12 C$ $12 C$ passes through a circuit every $8 s$ $8 s$ . If the circuit can generate $8 W$ $8 W$ of power, what is the circuit's resistance?

Question

1192 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-02T11:46:29

$R = 3, 56 O h m$ $R=3,56 " "Ohm$

$"electric current :" I=(Delta Q)/(Delta t)$

$I=12/8=1,5 A$

$"Power="I^2*R"$

$R=("Power")/I^2$

$R=8/(1,5)^2$

$R=8/(2,25)$

$R=3,56 " "Ohm$

A charge of 12 C12C12 C passes through a circuit every 8 s8s8 s. If the circuit can generate 8 W8W8 W of power, what is the circuit's resistance?