Answer: B. Phase voltage
In a three-phase delta-connected system the line voltage is equal to the Phase voltage.
Explanation:
In a three-phase delta-connected system, the line voltage is equal to the phase voltage, whereas the line current is √3 times the phase current. In a three-phase star connection line voltage is √3 times the phase voltage, and both the line and phase currents are the same.
In a three-phase delta-connected system, the line voltage is equal to the Phase voltage.
option B is the correct answer.
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