what will be the change in the motion of barlows wheel if the direction
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Explanation:
- DC electric current passes from the hub of the wheel, through the wheel into the mercury and out through an electrical contact dipping into the mercury. ... Hence the direction of the rotation will not be changed by reversing that of the current; since the polarity of the electromagnet will also be reversed."
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Answer:
DC electric current passes from the hub of the wheel, through the wheel into the mercury and out through an electrical contact dipping into the mercury. ... Hence the direction of the rotation will not be changed by reversing that of the current; since the polarity of the electromagnet will also be reversed.
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