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 220
tstone bridge,such as is shown in figure125, which contains in onebox the galvanometer,resistance coils, battery,and keys. To save time,use is made of the dialcontrol of resistances,which is much more con-venient than the oldermethod of plug control.The ratio coils are alloperated by one dial.By… … Problems 1. Suppose a resistance is connected in series with an ammeter of0.00090 ohms resistance, and a voltmeter of 300 ohms resistance isconnected across both the ■ unknown resistance and the ammeter.Assume the voltmeter reads 2.00 volts and the ammeter 50.0 amperes.Compute the percentage error…
Electricity · Magnetism
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