Question: Which direction does the red terminal of the pointer point to? What about the white one? What rules can you tell from the step 2?
Which direction does the red terminal of the pointer point to? What about the white one? What rules can you tell from the step 2? The needle in the compass is a magnet itself. With a bar magnet, can you tell whether the red terminal of the needle is the North Pole or the South Pole? Why does the needle turn when its position changes? Try to explain
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