A) have to use direct current, which would not operate most equipment properly.
B) not be magnetic enough to transform electricity efficiently into energy.
C) have to placed closer to the ground, where they would be more hazardous.
D) have to be made of thicker metal, which would be expensive.
F) A) and D)
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A) There are no electric monopoles.
B) There are no magnetic monopoles.
C) Electrical forces decrease with increasing separation.
D) Only magnetism has to do with electrons.
F) B) and C)
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A) Tesla and Westinghouse held the U.S. patent rights to transformers and prevented Edison from using them.
B) direct current electric power must flow directly from the generator to a home, without passing through any intermediate devices.
C) a transformer requires changing currents in its coils in order to transfer power between those currents.
D) DC electric power must flow through thicker wires than can be used efficiently in transformers.
F) None of the above
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Correct Answer
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