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The wires is of same dimension but resis...

The wires is of same dimension but resistivities `rho_1` and `rho_2` are connected in parallel . The equivalent resistivity of the combination is

A

`(rho_1+rho_2)/2`

B

`2(rho_1+rho_2)`

C

`(2rho_1+rho_2)/(rho_1+rho_2)`

D

`sqrt(rho_1rho_2)`

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