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The equivalent resistance of a group of ...

The equivalent resistance of a group of resistance is `R`. If another resistance is connected in parallel to the group, its new equivalent becomes `R_(1)` and if it is connected in series to the group, it new equivalent bemomes `R_(2)` we have

A

`R_(1)gtR`

B

`R_(1)ltR`

C

`R_(2)gtR`

D

`R_(2)ltR`

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The correct Answer is:
B, C
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