Question

What do you mean by resistivity of a conductor ?what are the factor on which the resistance of a conductor depend ?derive with the SI unit describe an activity to student to the factor on which resistance of a wire depend.​

Answer 1

Answer:

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★ Resistivity is defined as resistance of conductor with length 1m and having cross sectional area 1m², R=ρl/A. putting l=1m and A=1m². R=ρ this resistance is called resistivity. Resistance of a conductor depends on dimensions of the conductor(length and area) and resistivity.

Answer 2

★ Resistivity is defined as resistance of conductor with length 1m and having cross sectional area 1m², R=ρl/A. putting l=1m and A=1m². R=ρ this resistance is called resistivity. Resistance of a conductor depends on dimensions of the conductor(length and area) and resistivity.

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