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In a meter bridge experiment the ratio o...

In a meter bridge experiment the ratio of left gap resistance to right gap resistance is `2:3` the balance point from is

A

60cm

B

50cm

C

40cm

D

20cm

Text Solution

Verified by Experts

The correct Answer is:
C
`(P)/(Q)=(l_(1))/(100-l_(1))or (2)/(3)=(l_(1))/(100-l_(1))`
`or 5l_(1)=200 or l_(1)=40=cm`
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