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Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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Question

In the circuit diagram above, if all diodes are ideal, determine vY for the three following cases:

a) vA = +2 V, vB = +5 V, and vC = +7 V
b) vA = -2 V, vB = +5 V, and vC = -7 V
c) vA = -2 V, vB = -5 V, and vC = -7 V

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