Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 149
dependupon the strength ofmagnetic field that weare to force through it.There is a definite re-lation between thestrength of magneticfield, the speed, the elec-tromotive force and theconductors on the arma-ture. In every dynamo,the product of the num-ber of conductors onthe armature, multiplied by… … EASY ELECTRICAL EXPERIMENTS. 135 allowing for an inevitable loss in the armature, we will assumevoltage to be 55. This means a loss of 10 per cent, which isnone too much for a small machine. Applying the rule justgiven, we multiply this by 100,000,000 and divide by 40 (therevolutions per second),…
Electric apparatus and appliances · Electricity
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