Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 22 - Current Electricity > The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then

The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then

The electric resistance of a certain wire of iron is R. If its length and radius are both doubled then