Questions
In the shown arrangement of a meter bridge, if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled?
detailed solution
Correct option is A
R1R2=R3R4=x100-x. If the radius of the wire is doubled then the resistance AC is changed so does the value of resistance CB. So R1R2remains unchanged.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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