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Bitmap Image  |  1995-07-10  |  87KB  |  490x365  |  8-bit (189 colors)
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OCR: ELECTROMAGNETS HEN a current-carrying wire is punna into Wire carr Wire ving effect lasts coil 1 only starts foras long behave as the like electric magnet. current This current runs through the wire. The effect can be made much stronger by wrapping the coil around piece iron or steel to make an elect tromagnet. Increasing the number of coils or the amount of current passing through the wire also increases Iron the effect. filings Magnetized Current-carrying wires iron filings wire Current turns in the into second MAGNETS magnet and causes the AT WORK iron filings to move carrvine wound electromagnet eflect turus