Answers

2015-06-02T13:13:53+05:30
Wkt   R is directly proportional to l
                R    α   l
and inversely proportional to area of cross section
                R    α   1/A
a)area is halved
    R is doubled
b)length is doubled
    R is halved
c)area is doubled
    R is halved
d)area and length is doubled
    R remain same

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