Two wires of the same dimensions but res...

Two wires of the same dimensions but resistivities `rho_(1) and rho_(2)` are connected in series. The equivalent resistivity of the combination is

A

`(r_1+r_2)/2`

B

r_1+r_2

C

`2(r_1+r_2)`

D

`sqrtr_1r_2`

Text Solution

Verified by Experts

The correct Answer is:

A

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