An ideal transformer with a 300 turn primary connected to a 480 V, 60 Hz supply line needs to output 120 V from the secondary. If a 100 h resistor is connected across the secondary, determine: A. How many turns the secondary must have to output the desired voltage. B. The current through the resistor. C. The current drawn through the primary. D. The maximum flux in the core of the transformer.
An ideal transformer with a 300 turn primary connected to a 480 V, 60 Hz supply line needs to output 120 V from the secondary. If a 100 h resistor is connected across the secondary, determine: A. How many turns the secondary must have to output the desired voltage. B. The current through the resistor. C. The current drawn through the primary. D. The maximum flux in the core of the transformer.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter7: Alternating Current, Power Distribution, And Voltage Systems
Section: Chapter Questions
Problem 7RQ
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An ideal transformer with a 300 turn primary connected to a 480 V, 60 Hz supply line
needs to output 120 V from the secondary. If a 100 h resistor is connected across the secondary, determine:
A. How many turns the secondary must have to output the desired voltage.
B. The current through the resistor.
C. The current drawn through the primary.
D. The maximum flux in the core of the transformer.
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