The polarity test is performed upon a transformer. If the input voltage is Vin and the voltmeter readings are 121.8 volts (additive) and 110.2 volts (subtractive). Calculate the turns ration

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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DEGREE: ELECTRICAL ENGINEERING 
SUBJECT/COURSE: INDUSTRIAL ELECTRONICS
TOPIC: TRANSFORMERS
 
NOTE: Please solve in this way. 
1. Please have a good handwriting, some of the answers are not readable. Thank you!
2. GIVEN. (Include symbols and units)
3. ILLUSTRATION (Required).
4. Step-by-step SOLUTION with Formulas and Symbols. No Shortcut, no skipping, and detailed as possible
5. FINAL ANSWERS must be rounded up to two decimal places with corresponding unit.

PROBLEM:
The polarity test is performed upon a transformer. If the input voltage is Vin and the voltmeter readings are 121.8 volts (additive) and 110.2 volts (subtractive). Calculate the turns ration.

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