A model electric train requires 9 volts to operate. When it is connected to a 114 volt circuit, a transformer is needed. If the primary coil of the transformer has 400 turns, how many turns must be in the secondary? Round your answer to a whole number.
A model electric train requires 9 volts to operate. When it is connected to a 114 volt circuit, a transformer is needed. If the primary coil of the transformer has 400 turns, how many turns must be in the secondary? Round your answer to a whole number.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter10: Contactors, Relays, And Overloads
Section: Chapter Questions
Problem 11RQ
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