How much power is produced if a voltage of $6 V$ is applied to a circuit with a resistance of $12 Omega$ ?

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Answer 1 · 2016-01-06T16:41:09

$3"W"$

Power is given by:

$P=VxxI$

To get the current we use Ohm's Law:

$V=IR$

$:.I=V/R=6/12=0.5"A"$

$:.P=6xx0.5=3"W"$

How much power is produced if a voltage of 6 V6 V is applied to a circuit with a resistance of 12 Omega12 Omega?