If a current of $3 A$ $3 A$ passing through a circuit generates $3 W$ $3 W$ of power, what is the resistance of the circuit?

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Answer 1 · 2018-03-05T00:53:20

$1/3 Omega$

Relationship between Power $P$ generated , resistance $R$ of a circuit and current $I$ flowing is given as,

$P=I^2R$

So, $R=3/3^2=1/3 Omega$

If a current of 3 A3A3 A passing through a circuit generates 3 W3W3 W of power, what is the resistance of the circuit?