... work out the resistance and the resistance per cm. Material Hazard What could go wrong Safety precautions Risk What to do if something happens Power pack Electric Heavy Electric shock, get dropped Keep away from water and edge of work area, carry with both hands, and make sure hands are dry. Medium Get medical attention, tell teacher Wires Electricity Electric shock, get tripped over Keep away from water, keep out the way of other people Low Get medical attention Ammeter Electricity Electric shock, Get dropped Keep away from water, and edge of work area. Make sure hands are dry carry carefully. Low Tell teacher, seek medical attention Voltmeter Electricity Electric shock, Get dropped Keep away from water, and edge of work area. Make sure hands are dry. Carry carefully. low Tell teacher, seek medical attention. Current Current is defined as the flow of electrons being pushed out of the negative side of the cell/battery which is measured in amps. Current flows from the negative to the positive side of the cell/battery. Current can only flow round a circuit if it ...

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