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

The Correct Answer is D.