Question

Electric room radiator which operates at 225 volts has resistance of 50 ohms. Power of the radiator is approximately

• A. 100 W
• B. 450 W
• C. 750 W
• D. 1000 W

Answer 1

Answer: (D)

1000 W

Answer 2

$P = \frac{V^{2}}{R_{}} = \frac{(225)^{2}}{50} = 1012.5 \approx 1000W$