please answer

Asked by  | 12th Oct, 2009, 07:10: PM

Expert Answer:

The difference between potentials at two different points or terminals is called potential difference.

Electrical resistance  is a measure of how strongly a material opposes the flow of electric current.

Resistivity or specific resistance or volume resistivity is the resitance offered between the opposite faces of the cube of the material.



Answered by  | 28th Oct, 2009, 11:03: PM

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