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0 votes
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in Physics by (90.5k points)
When an unknown resistance and a resistance `6Omega` are connected in the left and right gaps of a meter bridge the balance point is obtained at 50 cm. if `3Omega` resistance is connected in parallel to resistance in right gap, the balance point is
A. decreases by 25 cm
B. increases by 25 cm
C. decreases by 16.7 cm
D. increases by 16.7 cm

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1 Answer

0 votes
by (88.5k points)
Correct Answer - B
`(X)/(R)=(l)/(100-l)`

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