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Q.

Is it true that resistivity is defined as the resistance offered by a wire of unit length and unit cross-sectional area?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
"The resistivity of a material can be defined as the resistance offered by a wire of unit length and the area of cross-section. It is directly proportional to the resistance and cross-sectional area of the material and inversely proportional to the length of the material. " Hence, the given statement is True.
  
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