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In a meter bridge experiment two unknown...

In a meter bridge experiment two unknown resistance X and y are connected to left and right gaps of a meter bridge and the balancing point is obtained at 20 cm from right `(XgtY)` the new position of the null point from left if one decides balance a resistance of 4 X against Y.

A

114 cm

B

80 cm

C

53.3 cm

D

70 cm

Text Solution

Verified by Experts

The correct Answer is:
C
`X/R =l/(100-l)`
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