Physics, 22.02.2021 14:00 drecooks713

A teacher used magnetic compasses and wire during a demonstration. This illustration shows the observations of each compass needle (a) with electricity traveling through the wire and (b) without
electricity traveling through the wire. How does this demonstration provide evidence that objects can
exert forces on each other without being in contact?

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A teacher used magnetic compasses and wire during a demonstration. This illustration shows the obse...

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