Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 340
mm uy … Fig. 20S Since the induced current is opposite in direction to thecurrent which would have caused the motion, it is clear thatthe electro-magnetic effect of the induced current is to opposethe motion taking place in the field. This is one case of Lenzslaw, of which we will now give illustrations,…
Electricity
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