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Electrical Power, Energy and the Cost of Electricity
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Magnetic Force on a Current-Carrying Wire
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Magnetic Poles, Field Lines and Induced Magnetism
Scenarios
One bar magnet
Two magnets: like poles facing
Two magnets: unlike poles facing
Magnet and a soft-iron bar
Magnet and a steel bar
Rotate 45°
Flip N/S
Field lines
Compasses
Iron filings
Force between the objects
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Induced magnetism
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Plotting compass
Drag it around
Drag the middle of a magnet to move it; drag near either end to turn it. Tap a magnet to select it for the Rotate and Flip buttons. Drag the plotting compass anywhere.