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A piece of metallic wire of resistance R...

A piece of metallic wire of resistance R is cut into 3 equal parts. These parts are then connected in parallel. If the total resistance of this combination is R', then the value of R : R' is

A

`1:3`

B

`9:1`

C

`1:9`

D

`3:1`

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The correct Answer is:
B
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