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Four resistors, 100Omega, 200 Omega, 300...

Four resistors, `100Omega, 200 Omega, 300 Omega` and `400 Omega` are connected to form four sides of a square. The resistors can be connected in any order. What is the maximum possible equivalent resistance across the diagonal of the square?

A

`210Omega`

B

`240Omega`

C

`300Omega`

D

`250 Omega`

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