BASIC SCIENCE & TECHNOLOGY

17.13 Ammeter (0 – 2 amps), voltmeter (0 – 5 or 10 volts), 2 x 1.5 volt cells, 2 x bulbs (2.5v) and holders, 7 x insulated connecting wires, battery clip for 2 cells, 2 x switches 17.14 1.5 volt cell, 1 m insulated connecting wire (not too thick), pocket or other magnetic compass, bar or rod or large nail made of iron, simple low voltage ... ................
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