What formula represents the power supplied to an electrical device?
Understand the Problem
The question is asking for the correct formula that represents the power supplied to an electrical device, which can be deduced from principles of electricity and power calculations.
Answer
P = V × I
The final answer is P = V × I.
Answer for screen readers
The final answer is P = V × I.
More Information
The power supplied to an electrical device is calculated using the formula P = V × I, where P is power in watts, V is voltage in volts, and I is current in amperes. This is a fundamental equation in electrical engineering.
Tips
A common mistake is to forget the units of measurement in the formula. Ensure consistency in voltage (volts) and current (amperes) to calculate power in watts.
Sources
- Electric Power and Energy | Physics - Lumen Learning - courses.lumenlearning.com
- Electrical Power - Definition, Formula, Solved Examples - BYJU'S - byjus.com
- Electrical power: formula, calculation and examples - GreenIce - greenice.com
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