Distinguish between resistance and resistivity
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Explanation:
The major difference between the resistance and the resistivity of the material is that the resistance opposes the flow of free electrons whereas the resistivity is the property of the material which defines the resistance of the material having specific dimension.
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Answered by
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- Resistance is the property of a conductor by the virtue of which it tries to inhibit the flow of current through it.
- It is dependent on resistivity of the material, length and area of the conductor (i.e. dimensions)
- Resistance can be calculated via Ohms Law when ambient temperature is kept constant.
- It is numerically equal to the resistance of a conductor having unit length and area of cross section.
- It is a materialistic property and does not depend upon the dimensions of the conductor
- It cannot be directly calculated from the ohm's law.
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