the ratio lB/lA of their respective lengths must be

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A material ‘B’ has twice the specific resistance of ‘A’. A circular wire made of ‘B’ has twice the diameter of a wire made of ‘A’. Then for the two wires to have the same resistance, the ratio lB/lA of their respective lengths must be
05
Dec
A material ‘B’ has twice the specific resistance of ‘A’. A circular wire made of ‘B’ has twice the diameter of a wire made of ‘A’. Then for the two wires to have the same resistance, the ratio lB/lA of their respective lengths must be A material 'B' has twice the specific resistance of 'A'. [...]
Posted in: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
Tags: A material 'B' has twice the specific resistance of 'A'. A circular wire made of 'B' has twice the diameter of a wire made of 'A'. Then for the two wires to have the same resistance , the ratio lB/lA of their respective lengths must be ,