Questions
In a metre bridge experiment null point is obtained at 20 cm from one end of the wire when resistance X is balanced against another resistance Y. If X <Y, then where will be the new position of the null point from the same end, if one decides to balance a resistance of
4 X against Y?
detailed solution
Correct option is A
In case of metre bridgeXY=2080=14 or 4X=YHence, the null point will be at 5O cm from the same end.Talk to our academic expert!
Similar Questions
In meterbridge experiment when a resistance wire is connected in the left gap, the balance point is found at 30 cm. When the wire is replaced by another wire, the balance point is found at 60 cm. Find the balance point when the two wires connected in series.
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