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In a metre bridge experiment l(x) and l(...

In a metre bridge experiment `l_(x)` and `l_(r)` are the balancing lengths and R is known resistance then unkown, resistance is given by

A

`X=(l_(x))/(l_(r)).R`

B

`X=(R)/(l_(x).l_(r))`

C

`X=l_(x).l_(r).R`

D

`X=l_(x)^(2)R`

Text Solution

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The correct Answer is:
A
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