factors on which the resisitvitiy depends and the factors on which it does not?
Resistivity only depends on the nature of the material and temperature but not its dimensions.
State three factors on which the heat produced by an electric current depends. How does it depend on these factors?
Name two factors on which the internal resistance of a cell depends and state how does it depend on the factors stated by you.
Name two factors on which the refractive index of a medium depends? State how does it depend on the factors stated by you.
Name the factors on which the heat produced in a wire depends when current is passed in it and state how does it depend on the factors stated by you.