Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 375
lexion is 100 sCaledivisions. To produce a current of Ol ampere a potentialdifference of 01 volt is required in this case, and eachdivision of the scale registers the passage of a milliampereor the application of a millivolt. 221-222] ELECTROMAGNETIC INSTRUMENTS 365 Now let us shunt the poles ^, ^… … Fig. 228. for we have seen that if S be the resistance of the shunt, Gthat of the galvanometer, then the current through thegalvanometer coil is SI{S + G) of the whole current. Hence in the case supposed the sensitiveness has beenreduced one hundredfold; the deflexion for a total currentof 0*1…
Electricity · Magnetism
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