Question
Download Solution PDFA 200-V, DC motor has an armature resistance of 0.5 Ω. It is drawing an armature current of 20 A driving a certain load. Calculate the induced EMF in the motor under this condition.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFWe have,
V = 200 volts
Ra = 0.5 Ω
Ia = 20 A
From Equation of DC Motor:
V = E + IaRa
200 = E + 20 × 0.5
⇒ E = 200 - 10 = 190 volts
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