the resistance of a given wire is 24 ohm what will be its new resistance if a. only the length of a conductor is increased to 3 times it's original length, and b. only the cross section area of the wire is doubled
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The electrical resistance of a wire would be expected to be greater for a longer wire, less for a ... A - Area of cross section of the conductor.
Answer is B.The electrical resistance of a wire would be expected to be greater for a longer wire, less for a wire of larger cross sectional area
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