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RESISTIVITY Resistivity
is an electrical property of material. It
is defined as the resistance of a material or conductor of 1 cubic meter
volume. Or It
is the resistance of a conductor of unit length and unit area. Or Resistivity
of a conductor is the resistance of 1-meter long conductor whose area of
cross section is I meter square Unit: r = ohm x m Different
materials have different values of resistivity. A very high value of
resistivity indicates high electrical resistance |
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