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Dr. West got a negative reading on the digital balance. This was after he had zeroed it. In one of these situations he switched the wires so that the current was flowing the opposite direction. In the other, he turned the coil in the other direction. Explain why the balance gave a negative reading when he did this?
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Dr. West got a negative reading on the digital balance. This was after he had zeroed it. In one of t...
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