On a single-family remodel during plan review, a single-phase resistive load draws 10 amperes at 240 volts; what is its power?
- A24 watts
- B240 watts
- C24,000 watts
- 2,400 watts
Why D is correct
For a resistive single-phase load, P = V × I = 240 × 10 = 2,400 watts. The best answer is therefore “2,400 watts.” The other choices either address a different system, rely on an unsafe shortcut, or make a conclusion not supported by the stated facts.
