Question

Two electric bulbs whose resistances are in the ratio $1:2$ connected in parallel across a voltage source, The powers developed in them are in the ratio of

• A. 4 : 1
• B. 1 : 4
• C. 1 : 2
• D. 2 : 1

Answer 1

Answer: (D)

$P=\frac{V^2}{R}$
$\Rightarrow P\propto \frac{1}{R}$