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Difference b/w resistance and resistivity of a conductor?
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Difference b/w resistance and resistivity of a conductor?
The resistivity of a material is the resistance of a wire of that material of unit length and unit cross-sectional area.
The unit for resistivity is the ohm-metre.
The resistivity of a material depends on its nature and the temperature of the conductor, but not on its shape and size.
A good conductor has less resistivity, whereas a bad conductor or insulator has high resistivity. The resistivity of semi-conductors lies between that of conductors and insulators.
The resistivity of a metallic conductor increases with an increase in its temperature, whereas the resistivity of a semi-conductor decreases with an increase in its temperature.
The resistance of some materials decreases tremendously with a decrease in temperature in the very low temperature range of the order of absolute zero. Such substances are called superconductors.
Conductivity is the reciprocal of resistivity, and determines the ability of a material to conduct electric current.
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Difference b/w resistance and resistivity of a conductor?
The SI unit of the RESISTANCE is ohm, and the SI unit of RESISTIVITY is ohm-meter.,,, The resistance of the material depends on the length, cross-section and area of conductor whereas the resistivity depends on the nature and temperature of the material...
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Difference b/w resistance and resistivity of a conductor?
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Difference b/w resistance and resistivity of a conductor? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Difference b/w resistance and resistivity of a conductor? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Difference b/w resistance and resistivity of a conductor?.
Difference b/w resistance and resistivity of a conductor? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Difference b/w resistance and resistivity of a conductor? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Difference b/w resistance and resistivity of a conductor?.
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