CBSE Class 12-science Answered
when the diameter of a conductor is doubled,what is the resistance?
Asked by N.SRIVATS ATHINDRAN | 25 Mar, 2012, 09:26: PM
Expert Answer
R is inversely proportional to Area.
Area is directly proportional to diameter.
Circular wire formula is A= d^2
By doubling the diameter, R is reduced by 4 times.
Answered by | 26 Mar, 2012, 08:34: PM
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