What is resistivity of a conductor? Write the formula.And depends of resistivity on a conductor.
Answers
Answer:
Explanation:
The property of a conductor to resist the flow of current is Resistance.
And the amount in which the conductor have the capability to resist something is Resistivity.
It depends upon:-
✓area of the Cross-section
✓length of the material
✓temperature
it is denoted by rho(( ρ ))
where "ρ"=RA/l
derived from:-
Explanation:
Resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length. ... A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents. High resistivity designates poor conductors.
rho(p)=RA/LI
Conductors have low resistivities ranging from 10-8Ωm to 10-6 Ω m while insulators have high resistivities which can be 1018 times greater than metals. Resistivity is indirectly proportional to the temperature. In other words, as you increase the temperature of materials, their resistivities will decrease.