Ohms Law
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... o the length of the wires. Methods The equipment needed consists of: * A variable DC power pack * Ordinary wires * An ammeter * A voltmeter * 2 crocodile clips * Assorted wires for tests Then a circuit is set up in the same way as the illustrated diagram below. * Connect the wire to the circuit by the crocodile clips * Take the voltage and current readings from the meters * Increase/decrease the supply from the power pack and take the readings again * Repeat the experiment with different pieces of wire Safety precautions * Make sure that the circuit is properly connected before turning the power supply on, and do not touch the apparatus, especiall ...
