98. |
Which of the
following can be used to decrease the resistance in a wire?
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A. |
substitute iron for copper |
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Iron
is not used in wiring because it has a high resistance. The best
conductors include copper, silver, and gold. |
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B. |
increase the length of the wire |
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increasing
the length of the wire increases the resistance. |
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C. |
increase the temperature of the
wire |
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the
resistance of a wire increases as the temperature increases. |
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D. |
increase the diameter of the
wire |
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increasing
the diameter of a wire, decreases the resistance.
The Correct Answer is D. |