Home
Class 12
PHYSICS
Calculate the resistance and electrical...

Calculate the resistance and electrical conductivity of a 2m long copper wire of cross sectional area `0.01 mm^2` . Givne resistivity of copper is `1.78xx10^(10) Omega m`.

Text Solution

Verified by Experts

`3.56 Omega, 5.62 xx10^7 "mho"m^(-1)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise CONCEPTUAL QUESTIONS|35 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise TOUGH AND TRICKY PROBLEMS|23 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos

  • ATOMS

    MODERN PUBLICATION|Exercise Chapter Practice Test|16 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos

Similar Questions

Explore conceptually related problems

Calculate the electric field in a copper wire of cross-sectional area 2.0 mm^(2) carrying a current of 1 A. The resistivity of copper =1.7xx10^(-8) Omega m.

Calculate the electric field in a copper wire of cross-sectional area 2.0 mm square carrying a current of 2 A. The resistivity of copper is 1.7 xx 10^(-8)Omega m .

Calculate the resistance of a copper wire of length 1 m and area of cross section 2 mm^2 . Resistivity of copper is 1.7xx10^(-5) Omega m .

Calculate the electric field in a copper wire of cross-sectional area 2.0mm^(2) carrying a current of 1A .The resistivity of copper =1.7xx10^(-8)(Omega)m .

Calculate the electrical conductivity of 2.15 m long conductor with area of cross section 5xx10^(-6)m^2 , if resistance of the conductor is 2 Omega .

Calculate the resistance of 1 km long copper wire of radius 1 mm . Resistivity of copper is 1.72 xx 10^-8 Omega m .

What length of a copper wire of cross-sectional area 0.01 mm^2 will be needed to prepare a resistance of 1 kOmega ? Resistivity of copper = 1.7 xx 10^(-8) Omega m .

Calculate the resistance of an aluminium wire of length 50 cmand cross sectional area 2.0mm^(2) . The resistivity of aluminium is (rho)=2.6xx10^(-8)(Omega)m.

Calculate the electrical conductivity of the material of a conductor of length 3 m, area of cross- section 0.02 mm^(2) , having a resistance of 2 Omega .

What length of a copper wire of cross-sectional area 0.01 mm^(2) would be required to obtain a resistance of 1k Omega ? Resistivity of copper =1.7xx10^(-8) Omega m .

Home
Profile