A small permanent-magnet DC motor has an armature resistance of 3.5 2, and armature voltage of 7 V, the motor achieved a no-load speed of 11, 500 r/min while drawing an armature current of 15 mA. Determine the motor torque constant K (v/(rad/sec)). a) 4.21 mV/(rad/sec) b) 5.77 mV/(rad/sec) c) 5.23 mV/(rad/sec) d) 8 mV/(rad/sec)

A small permanent-magnet DC motor has an armature resistance of 3.5 2, and armature voltage of 7 V, the motor achieved a no-load speed of 11, 500 r/min while drawing an armature current of 15 mA. Determine the motor torque constant K (v/(rad/sec)). a) 4.21 mV/(rad/sec) b) 5.77 mV/(rad/sec) c) 5.23 mV/(rad/sec) d) 8 mV/(rad/sec)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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