If the resistivity of an alloy is - - and that of constituent metal is - then -

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Standard XII

Physics

Conductors and Insulators

If the resist...

Question

If the resistivity of an alloy is $ρ^{'}$ and that of constituent metal is $ρ$ then :

ρ^{'} > ρ

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ρ^{'} < ρ

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ρ^{'} = ρ

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there is no simple reaction between

ρ^{'} & ρ

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Solution

The correct option is A $ρ^{'} > ρ$
Usually alloys have higher resistivity then pure metals. The different atoms in the alloy cause the electrons to have more interruptions and scattering in their otherwise smooth flow.

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If the resistivity of an alloy is ρ′ and that of constituent metal is ρ then :

The correct option is A ρ′>ρUsually alloys have higher resistivity then pure metals. The different atoms in the alloy cause the electrons to have more interruptions and scattering in their otherwise smooth flow.

If the resistivity of an alloy is $ρ^{'}$ and that of constituent metal is $ρ$ then :

The correct option is A $ρ^{'} > ρ$
Usually alloys have higher resistivity then pure metals. The different atoms in the alloy cause the electrons to have more interruptions and scattering in their otherwise smooth flow.