100 A. If the motor developing half the torque. Choose the correct answer. Tal armature resistance is 0.1 ohm, and sh field resistance is 110 ohm. Assume th the magnetic circuit is saturated. 1- Armature current before the motor develop half torque is ? 2- Armature current after the motor de half torque is ? 3- Back e.m.f before the motor develop torque is? 4- Back e.m.f after the motor develop F

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Question 3/ A 220-volt d.c. shunt motor is
running at a speed of 800 r.p.m. and draws
|100 A. If the motor developing half the
torque. Choose the correct answer. Take
armature resistance is 0.1 ohm, and shunt
field resistance is 110 ohm. Assume that
the magnetic circuit is saturated.
1- Armature current before the motor
develop half torque is ?
2- Armature current after the motor develop
half torque is ?
3- Back e.m.f before the motor develop half
torque is?
4- Back e.m.f after the motor develop half
torque is ?
5- The speed after the motor develop half
the torque is?
Transcribed Image Text:Question 3/ A 220-volt d.c. shunt motor is running at a speed of 800 r.p.m. and draws |100 A. If the motor developing half the torque. Choose the correct answer. Take armature resistance is 0.1 ohm, and shunt field resistance is 110 ohm. Assume that the magnetic circuit is saturated. 1- Armature current before the motor develop half torque is ? 2- Armature current after the motor develop half torque is ? 3- Back e.m.f before the motor develop half torque is? 4- Back e.m.f after the motor develop half torque is ? 5- The speed after the motor develop half the torque is?
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