Measuring resistance (V–A)
Required: measure R with voltmeter, ammeter, and rheostat.
Electricity (junior)Junior circuits: meters, series/parallel, Ohm’s law intro.
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Measuring resistance (V–A)
Ohm's method: R = U/I from voltmeter and ammeter. Explore “Measuring resistance (V–A)” interactively in the browser and match readouts to the formulas.
Ohm's method: R = U/I from voltmeter and ammeter.
Key formulas
R=U/I
How to use
- Adjust parameters in the left panel.
- Use play / pause and speed controls.
- Match right-side readouts to the formulas.
- Reset to return to the initial state.
Applications
- Measuring resistance (V–A): Ohm's method: R = U/I from voltmeter and ammeter.
- In class, tune parameters for “Measuring resistance (V–A)”, then check against the textbook result.
FAQ
What does the “Measuring resistance (V–A)” lab practice?
Tune parameters and match readouts to the “Measuring resistance (V–A)” relations — useful for prep and demos.
How do I connect meters?
Ammeter in series; voltmeter in parallel — watch polarity and range.
When does Ohm’s law apply?
For ohmic conductors I=U/R; nonlinear devices need their own curves.
Series vs parallel current and voltage?
Series: same I, voltages add. Parallel: same U, branch currents add.