Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
1st Edition
ISBN: 9780078945830
Author: Charles William McLaughlin, Marilyn Thompson, Dinah Zike
Publisher: Glencoe Mcgraw-Hill
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Chapter 7, Problem 14STP
To determine

To Calculate: The voltage that the generator produces at 60 Hz .

The way to change the voltage to 120 V.

Expert Solution & Answer
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Answer to Problem 14STP

To change the voltage to 120 V , the rotation rate should be changed to 600 Hz_ .

Explanation of Solution

Given:

According to the graph,

Voltage produced at 60 Hz=12 V

Calculation:

The rotation rate at 120 V is calculated as:

Rotation rate at 12 V = 60 Hz

Rotation rate at 1 V = 60 12=5 Hz

Rotation rate at 120 V = 5×120 = 600 Hz .

Conclusion:

To change the voltage to 120 V , the rotation rate should be changed to 600 Hz_ .

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