Measure the amount of current passing through the LED lamp and the voltage at the terminals of the incandescent lamp. Calculate the resistance and wattage of the LED lamp using the voltage and current. Answer the question.
Recall how current in a circuit and voltage across a circuit are measured. Adjust your power supply to maximum voltage. Measure the current and voltage. Enter the measurement results in the table. Calculate the resistance and power of the LED lamp.
Test results, resistance and power calculation
| Voltage on the LED lamp () | |
| Current through the LED lamp () | |
| LED lamp resistance () | |
| LED lamp power () |