how mass differ from weight
how mass differ from weightp.d is that difference of electric pressure between 2 points in an electric feild while e.m.f is the total voltage of the source.
E.M.F = P.D + voltage drop inside the source
Difference between cumulative compound & differential compound wound motors
Difference between cumulative compound & differential compound wound motors I n cumulative compound wound dc motor the series field assists the shunt field whereas in differential compound wound motor series field opposes the shunt field
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