Questions
In the wheat stone bridge shown, no current flows through the galvanometer G. If P and S are interchanged and the galvanometer and the battery are interchanged
a
Current through the galvanometer flows from A to B
b
No current flows through the galvanometer
c
Current through the galvanometer flows from B to A
d
None of the above option is true
detailed solution
Correct option is B
Initially the bridge is balanced and PQ=RS...(1)Finally, the bridge will be balanced again, if RP=SQ if PQ=RS [Equation .. (1)] Hence, option (2) is satisfied.Talk to our academic expert!
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