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

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

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Answer 1 · 2016-03-14T18:51:12

$R = 27 O h m$ $R=27" " Ohm$

Explanation:

$I=(Delta Q)/(Delta t)" Electric Current"$
$I=8/12=2/3 A$
$P=I^2*R" P:Power;R:Resistance;I:Electric Current"$
$12=(2/3)^2*R$
$cancel(12)=cancel(4)/9.R$
$3=R/9$
$R=3*9$
$R=27" " Ohm$

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

1 Answer

Explanation:

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