Questions
Resistivity of the material of a conductor of uniform cross-section varies along its length as
detailed solution
Correct option is A
R=∫0lρ dxA =∫olρoA(1+αx) dx =ρoA (l+αl22)R=ρolA (1+αl 2)Talk to our academic expert!
Similar Questions
In an experiment, current measured is , potential difference measured is , length of the wire is and the diameter of the wire is (all in correct significant figures). Find resistivity of the wire in correct significant figures. [Take, , (exact)]
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