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A piece of wire of resistance R is cut i...

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R' then the ratio R/R' is -

A

`(1)/(25)`

B

`(1)/(5)`

C

5

D

25

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A piece of wire resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’ then the ratio R/R' is

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