ElectroMagnetic InductionEasy
Question
The armature of D.C. motor has 20Ω resistance it draws current of 1.5 ampere when run by 220 volts D.C. supply. The value of back e.m.f. induced in it will be : -
Options
A.150 V
B.170 V
C.180 V
D.190 V
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