Q: A DC shunt motor operating on 230 V takes an armature current of 20 A at 1000 rpm. If its armature resistance is 1 Ω, then what is the back EMF of the motor? 230 V पर प्रचालित एक DC शंट मोटर, 1000 rpm पर 20 A आर्मेचर धारा कर्षित करती है। यदि इसका आर्मेचर प्रतिरोध 1Ω है, तो मोटर का पश्च वि.वा.बल कितना है?
A.
110 V
B.
250 V
C.
190 V
D.
210 V
Correct Answer:
Option D -
Explanations:
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