Question

2 and 3 ohm resistance are in serier to 12v bateery.Find the power

Answer 1

Total resistance
=>R1+R2
=>2+3
=>5ohm

now,P=
$\frac{v {}^{2} }{r}$
=>
$\frac{12 {}^{2} }{5}$
=>
$\frac{144}{5}$
=>28.8 watt