How much power is produced if a voltage of $6 V$ $6 V$ is applied to a circuit with a resistance of $18 Omega$ ?

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Answer 1 · 2016-06-02T12:34:15

$P=2Wa$

$"P:Power"$

$I:"Electric current"$

$R:"Resistance"$

$P=I^2*R$

$V=I*R" ; "I=V/R" ; "I^2=V^2/R^2$

$P=V^2/cancel(R^2)*cancel(R)$

$P=V^2/R$

$V=6V" ;"R=18 Omega$

$P=6^2/18$

$P=36/18$

$P=2Wa$

How much power is produced if a voltage of 6 V6V6 V is applied to a circuit with a resistance of 18 Omega18 Omega?