Ohm’s Law Apparatus is a setup used to demonstrate and verify Ohm’s Law, which states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to its resistance.
The apparatus typically consists of a power supply, an ammeter to measure the current, a voltmeter to measure the voltage, and a variable resistor (rheostat) to adjust the resistance. The circuit is connected in series, with the resistor placed between the power supply and the ammeter.
By adjusting the resistance and measuring the current and voltage values, students or experimenters can validate Ohm’s Law by observing the linear relationship between the current and voltage, while keeping the resistance constant.
The Ohm’s Law Apparatus is commonly used in physics classrooms and laboratories to provide a practical demonstration of Ohm’s Law and reinforce the fundamental concepts of electricity and circuitry.
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