how does speedometer work?
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the speedometer cable powered by the driveshaft turns as well.a cable spins a magnet around at the same speed inside the speed cup .its actually because of electromagnetism.
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The speedometer cable, powered by the driveshaft, turns as well. The cable spins a magnet around at the same speed inside the speed cup. The magnet rotates continually in the same direction (in this case, counter-clockwise). The spinning magnet creates eddy currents in the speed cup.
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