Question

A current of $4A$ flows through a $12V$ car headlight bulb for $10$ minutes, how much energy is consumed?

• A. $8\times {10}^{-3}kwh$
• B. $48kwh$
• C. $8kwh$
• D. $8\times {10}^{3}kwh$

Answer 1

The correct option is A $8\times {10}^{-3}kwh$

$E=VIt$
$=12\times 4\times \frac{1}{6}$
$=8\times {10}^{-3}kwh$