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A charge of $24 C$ $24 C$ passes through a circuit every $6 s$ $6 s$ . If the circuit can generate $12 W$ $12 W$ of power, what is the circuit's resistance?

2 Answers

Mar 5, 2017

$0.75Omega$

Explanation:

Calculate current, $I$ , by

$I = Q/t = (24C)/(6s) = 4A$

Electrical power is given by

$P = IV = I^2R$

so

$R = P/I^2 = (12W)/(4A)^2 = 0.75Omega$

Mar 5, 2017

$0.75Omega$

Explanation:

Calculate current, $I$ , by

$I = Q/t = (24C)/(6s) = 4A$

Electrical power is given by

$P = IV = I^2R$

so

$R = P/I^2 = (12W)/(4A)^2 = 0.75Omega$

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