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A certain wire is made up into two squar...

A certain wire is made up into two squares with a common side of length 5 cm. A current enters the rectangular network at one of the corners and leaves at the diagonally opposite corner. The current in the common side in terms of the entering current is

A

`I//2`

B

`I//3`

C

`I//4`

D

`I//5`

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