Measuring Electric Power
P = U × I
Experiment Steps
1
Close Switch2
Adjust to Rated Voltage (2.5V)3
Adjust to Low Voltage (<2.5V)4
Adjust to High Voltage (>2.5V)Click the Switch to close the circuit.
Control Panel
Switch
Off
On
5 Ω
Data Table
| U(V) | I(mA) | Brightness | P(W) |
|---|---|---|---|
| No data recorded yet. | |||