quick overview :

Ohms Law Apparatus

This apparatus is designed to demonstrate Ohms Law. Consisting of a sheet metal enclosure with milliammeter, voltmeter, rheostat, push key and terminal posts.. Simply connect an external battery and a suitable resistance to the terminal posts, then press the push key. Readings are taken from the milliammeter and voltmeter and the resistance is calculated using Ohms Law. * Current flow controlled through circuit by rheostat * Colour coded connection terminals * Scratch resistant enclosure * Circuit diagram printed on enclosure to aid understanding