radius wire is doubled will the specific resistance change explain
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R = ¶L÷A
¶=a constant, Resistivity(specific resistance)
L= length of the conductor
A= area of cross section
If the radius of wire is doubled area increases by 4 times R decreases by 4 times
But specific resistance remain same. It is the property of given material.
¶=a constant, Resistivity(specific resistance)
L= length of the conductor
A= area of cross section
If the radius of wire is doubled area increases by 4 times R decreases by 4 times
But specific resistance remain same. It is the property of given material.
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