A charge of $30 C$ $30 C$ passes through a circuit every $5 s$ $5 s$ . If the circuit can generate $33 W$ $33 W$ of power, what is the circuit's resistance?

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Answer 1 · 2016-04-20T19:23:41

$R = 0, 92 O h m$ $R=0,92Ohm$

$"the electric current is given by ;"I=(Delta Q)/(Delta t)$

$Delta t=5s$
$Delta Q=30C$

$I=30/5$
$I=6A$

$P=33W$
$R=?$

$"using the electric power formula;"$
$P=I^2*R$

$33=6^2*R$

$33=36*R$

$R=33/36$

$R=0,92Ohm$

A charge of 30 C30C30 C passes through a circuit every 5 s5s5 s. If the circuit can generate 33 W33W33 W of power, what is the circuit's resistance?