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Brush x is positive with respect to brush y in Fig. 11b. Show the polarity of each of the 12 coils. Does the polarity reverse when a coil turns through 180°?

Brush x is positive with respect to brush y in Fig. 11b. Show the polarity of each of the 12 coils. Does the polarity reverse when a coil turns through 180°?

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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15 Brush x is positive with respect to brush y in Fig. 11b. Show the polarity of each of the 12 coils. Does the polarity reverse when a coil turns through 180°?
Transcribed Image Text:15 Brush x is positive with respect to brush y in Fig. 11b. Show the polarity of each of the 12 coils. Does the polarity reverse when a coil turns through 180°?
coil D N 18 V of love 20 V 7 V 18 V 7 V rotation OV 1 X 70 V 7 OV coil A 7 V 8 18 V. 7 co 20 V S 18 V 7 V coil B coil C
Transcribed Image Text:coil D N 18 V of love 20 V 7 V 18 V 7 V rotation OV 1 X 70 V 7 OV coil A 7 V 8 18 V. 7 co 20 V S 18 V 7 V coil B coil C
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