Question 1
In a wye-connected three-phase transformer connection, the line voltage is
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equal to the phase voltage.
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one-third the phase voltage.
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1.73 times the phase voltage.
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three times the phase voltage.
Question 2
Instrument transformers are used to
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step down voltages.
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step down currents.
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isolate circuits from measurements.
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All of the answers are correct.