Power from Current and Voltage
Formula:P = current × voltage
Introduction to Power Calculation
Power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt (W). One watt is equivalent to one joule per second. In electrical systems, power (P) can be calculated by multiplying the current (I) in amperes with the voltage (V) in volts.
Parameter usage:
current
= the flow of electric charge in amperesvoltage
= the electric potential difference in volts
Example valid values:
current
= 5Avoltage
= 230V
Output:
power
= electrical power in watts
Data validation
Both the current and voltage should be greater than zero to determine a positive power output.
Summary
This calculator helps to determine the electrical power output when current and voltage are known, using the formula P = I × V
.
Tags: Electrical, Power, Current, Voltage, Watts, Amperes, Volts