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3. Electrical fundamentals

The input is 115V and is applied across the 300 turn portion of the autotransformer shown. What is the output?

Diagram for question: The input is 115V and is applied across the 300 turn portion of the autotransformer shown. What is t
  • 115V
  • 28V
  • 460V
A

arifadli8 asked · 6 Jan 2014

how?

Community Comments (3)

P
PART66Online 9 Jan 2014
Transformator ratio is 300:1200 = 1:4.
Output = 4 * 115V.
T
Thomas2 17 May 2016
but it is 900 turns in the output not 1200 as a given in the diagram .
S
squareroot 18 May 2016
output turn = 300+900 = 1200 turn

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