How much power is produced if a voltage of $12 V$ $12 V$ is applied to a circuit with a resistance of $72 Omega$ ?

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Answer 1 · 2016-01-16T16:36:52

Data:-
Voltage $=V=12V$
$Resistance=R=72 Omega$
$Power=??$
Sol:-

We know that:
$Power=V^2/R$

$Power=(12)^2/72=144/72=2$

$Power=2$ Watt

How much power is produced if a voltage of 12 V12V12 V is applied to a circuit with a resistance of 72 Omega72 Omega?