A charge of $24 C$ passes through a circuit every $12 s$ . If the circuit can generate $8 W$ of power, what is the circuit's resistance?

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Answer 1 · 2016-07-22T06:58:02

Resistance $R=2" "$ Ohms

Given :

charge $q=24" "$ coulomb
time $t=12" "$ seconds
Power $P=8" "$ watts

Solution:

Let $i$ current in Ampere

$i=q/t=24/12=2" "$ Amperes

$P=i^2 *R$

$8=(2)^2*R$

$8=4*R$

$R=8/4$

$R=2" "$ Ohms

God bless....I hope the explanation is useful.

A charge of 24 C24 C passes through a circuit every 12 s12 s. If the circuit can generate 8 W8 W of power, what is the circuit's resistance?