The armature of dc motor has 20 ohm resistance

Asked by admin @ 17/08/2021 in Physics viewed by 357 People

The armature of dc motor has 20 ohm resistance. It draws current of 1.5 A when run by 220 V dc supply, The

value of back emf induced in it will be(1) 150 V(2) 170 V(3) 180 V(4) 190 V

Answered by admin @ 17/08/2021

Answer:

180v

Explanation:

not sure but back emf induced is 180v

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