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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 3 - Current Electricity > A copper wire of length (l) and radius(r) is nickel plated till its final radius is (R) and length(l). If the specific resistance of nickel and copper be kn and kc , the conductance of nickelled wire is?

A copper wire of length (l) and radius(r) is nickel plated till its final radius is (R) and length(l). If the specific resistance of nickel and copper be kn and kc , the conductance of nickelled wire is?

A copper wire of length (l) and radius(r) is nickel plated till its final radius is (R) and length(l). If the specific resistance of nickel and copper be kn and kc the conductance of nickelled wire is?