a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm

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In an aluminium (Al) bar of square cross section, a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm, respectively. The electrical resistance between the two faces P and Q of the composite bar is
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Nov
In an aluminium (Al) bar of square cross section, a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm, respectively. The electrical resistance between the two faces P and Q [...]
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Tags: a square hole is drilled and is filled with iron (Fe) as shown in the figure. The electrical resistivities of Al and Fe are 2.7 × (10^−8) Ω m and 1.0 × ( 10^−7 )Ωm , In an aluminium (Al) bar of square cross section , respectively. The electrical resistance between the two faces P and Q of the composite bar is ,