Motor এর equation-

A V = Eb - IaRa

B V = Eb + IaRa

C Eb = IaRa - V

D উপরের কোনটিই নয়

Solution

Correct Answer: Option B

মোটরের সূত্র
Eb = V - IaRa
⇒ V = Eb + IaRa

এখানে, Eb = back EMF
V = terminal voltage
Ia = armature current
Ra = armature resistance

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