railway UPMRC SCTO 2024 Mock Test Electrical Machines DC Motor Back EMF

A 230 V motor has an armature circuit resistance of 0.8 ohms. If the full load armature current is 25 A, find the amount of back EMF induced in the armature. 

1
210 V 
2
200 V  
3
240 V 
4
250 V
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