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ElectricalElectric Drives
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A dc series motor has an armature resistance of 0.06 Ω and series field resistance of 0.08 Ω. The motor is connected to a 400 V supply. The line current is 20 A when the speed of the machine is 1100 rpm. When the line current is 50 A and the excitation is increased to 30%, the speed of the machine in rpm is

A

1100 RPM

B

1003 RPM

C

837 RPM

D

938 RPM

Correct Answer

Verified SolutionElectricalElectric Drives
Option C

837 RPM

Quick Summary: Practice and solve "A dc series motor has an armature resistance of 0.06 Ω and series field resistance of 0.08 Ω. The mo..." for Electrical - Electric Drives. The correct answer is Option C: 837 RPM. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

Answer:

Option **(c) **

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