13.4: A rectangular bar of iron is 2.0 cm by 2.0 cm in cross section and 40 cm Long. Calculate its resistance.

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Problem No 13.4
A rectangular bar of iron is 2.0 cm by 2.0 cm in cross section and 40 cm Long. Calculate its resistance.
Numerical Problem
Chapter No 13
Current Electricity
Physics
Part 2

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