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If the resistivity of an alloy is rho' a...

If the resistivity of an alloy is `rho'` and that of consituent metals is `'rho'` then

A

`rho'gtrho`

B

`rho' lt rho`

C

`rho' = rho`

D

There is no relation between `rho` and `rho'`

Text Solution

Verified by Experts

The correct Answer is:
A
The resistivity of a metal increases when it is converted into an alloy.
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