PhysicsWhat are the factors that affect electric resistance ?

What are the factors that affect electric resistance ?


  1. A
    Temperature
  2. B
    Length of the wire
  3. C
    Area of the cross-section of the wire
  4. D
    All of the above 

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    Solution:

    Concept: Resistance is the property of the fabric that limits the stream of electrons. There are four components influencing resistance which are Temperature, Length of wire, Region of the cross-section of the wire, and nature of the material. The resistance of a wire depends both on the cross-sectional region and length of the wire and on the nature of the fabric of the wire.
    Hence, the correct answer is option 4.
     
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