Q21 — Power Systems
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Power Systems
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Which of the following is NOT a property of transformers?
A.
They can be used to change the value of the reactance as seen by the source.
B.
They can be used to change the value of the load resistance as seen by the source.
C.
They enable efficient transmission of energy over long distances and then reduce voltage levels to safe values.
D.
They use iron cores to lower the inductance by decreasing the magnetic flux linkage between the primary and secondary.
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