Explore: Electricity and Circuits
Ohm’s Law Teaching Panel, Volts and Milliamps Resistance Experiment Board
$110.00(Ex GST)
- Ohm’s law teaching panel, measure volts and milliamps then calculate resistance using V and I readings.
- Built-in milliammeter, voltmeter, rheostat, and push key in wooden enclosure for repeat classroom use.
- Rheostat varies current, supports multiple data points for graphing V–I relationship in practical lessons.
- Terminal posts and printed circuit diagram guide correct wiring and reduce setup errors.
- External battery and external resistance not supplied, instructions included for classroom experiment workflow.
- Description
Description
This Ohm’s law apparatus is a complete teaching panel for demonstrating the relationship between voltage, current, and resistance using direct measurements. It is housed in a wooden enclosure and includes a milliammeter, voltmeter, rheostat, push key, and terminal posts. A circuit diagram is provided on the panel to support correct wiring and student understanding during practical work.
An external battery is required and is not supplied. A suitable external resistance is also required and not supplied. During use, the rheostat is used to vary and control current flow. Students record voltage and current readings from the built-in meters and apply Ohm’s law to calculate resistance from the measured values. Instructions are included.
FAQs
Q: What does this apparatus demonstrate?
A: Ohm’s law by measuring voltage and current and calculating resistance.
Q: What components are built in?
A: Milliammeter, voltmeter, rheostat, push key, and terminal posts in a wooden enclosure.
Q: What is not supplied?
A: External battery and a suitable resistance.
Q: What is the rheostat used for?
A: Controlling and varying current flow during measurements.
Q: Is wiring guidance provided?
A: Yes, a circuit diagram is printed on the panel and instructions are included.
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