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The terminal voltage of a motor is 118 V, and the armature current is 38 A. If the armature resistance is 0.3 2, calculate the counter-emf. A shunt motor connected to a 120 V line draws 24 A from the line. The resistance of the field circuit is 100 N, and the armature resis- tance is 0.25 N. Calculate (a) power input to the motor; (b) power lost

The terminal voltage of a motor is 118 V, and the armature current is 38 A. If the armature resistance is 0.3 2, calculate the counter-emf. A shunt motor connected to a 120 V line draws 24 A from the line. The resistance of the field circuit is 100 N, and the armature resis- tance is 0.25 N. Calculate (a) power input to the motor; (b) power lost

Introductory Circuit Analysis (13th Edition)
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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The terminal voltage of a motor is 118 V, and the armature current is 38 A. If the armature resistance is 0.3 2, calculate the counter-emf. A shunt motor connected to a 120 V line draws 24 A from the line. The resistance of the field circuit is 100 N, and the armature resis- tance is 0.25 N. Calculate (a) power input to the motor; (b) power lost in the shunt field; (c) power lost in the armature circuit; (d) electrical power converted to mechanical power.
Transcribed Image Text:The terminal voltage of a motor is 118 V, and the armature current is 38 A. If the armature resistance is 0.3 2, calculate the counter-emf. A shunt motor connected to a 120 V line draws 24 A from the line. The resistance of the field circuit is 100 N, and the armature resis- tance is 0.25 N. Calculate (a) power input to the motor; (b) power lost in the shunt field; (c) power lost in the armature circuit; (d) electrical power converted to mechanical power.
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