An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 204
proportional tothe voltage at which the current is supplied to the motor.The indications of an electrodynamometer are proportional tothe product of the magnetic effects of the two coils. Conse-quently, in this case the indications are proportional to currenttimes voltage, or watts, instead of… … Fig. 110. Measurement of power bywattmeter. 176 ELECTRICITY AXD MAGNETISM Shunt Circuit Counting Geai consumed by one of its coils. When the power to be used issmall, this error is appreciable and must be corrected. These direct-reading wattmeters can be used for alternatingas well as direct…
Electricity · Magnetism
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