Question

If a power of 100 W is being supplied across a potential difference of 200 V, current flowing is

• A. 2 A
• B. 0.5 A
• C. 1 A
• D. 20 A

Answer 1

Answer: (B)

0.5 A

Answer 2

$P = Vi$ ⇒ $i = \frac{P}{V} = \frac{100}{200} = 0.5A$