Three phase transformer in star-star connection-Mutual phase angle & magnitude of line to line voltages of secondaries

Q.  While connecting three phase transformer in star-star connection, the terminals of secondaries are wrongly joined. Then the mutual phase angle and magnitude of line to line voltages of secondaries will
- Published on 30 Oct 15

a. Equal to 120 degree and equal as before
b. Not equal to 120 degree and different
c. Equal to 120 degree and different
d. None of these

ANSWER: Not equal to 120 degree and different

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