In addition to power transmission and distribution, transformers _____________.
A) are used as a means to change from one voltage level to another
B) are used as a means to isolate one part of an electrical distribution system from another
C) due to their own internal impedance, provide an effective means of reducing the magnitude of available fault overcurrent at different locations within a given electrical-power distribution system
D) All of The answers
Show Answer
Answer:D
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