

MCQOPTIONS
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1. |
The induced emf in the armature of a 4-pole dc machine is ________ |
A. | directly proportional to speed and field strength applied to it |
B. | directly proportional to speed |
C. | directly proportional to field strength applied to it |
D. | inversely proportional to speed and inversely proportional to field strength applied to it |
Answer» B. directly proportional to speed | |