What are the factors on which illumination of a surface depends?

Define resistance and state the units in which it is measured. What are the factors on which the resistance of a wire depends?

What is resistance of a wire ? What are the factors on which resistance of a conductor depends?

What are the factors on which resistance of a conductor depend? Hence define specific resistance (or resistivity)?

What are the factors upon which resistanceof a conductor depends?

Name the factors on which resitivity of a conductor depends.

Name the factors on which oxygen dissociation curve depends.