Questions
If in an experiment of Wheatstone bridge, the positions of cells and galvanometer are interchanged, then the balance points will
a
change
b
remain unchanged
c
depend on the internal resistance of the cell and resistance of the galvanometer
d
none of these
detailed solution
Correct option is B
When Wheatstone bridge is balanced,PQ=RS. If the galvanometer is replaced with a cell in balanced Wheatstone bridge, the condition for balanced bridge will be P/R = Q/S, which is there. Hence, balance point will remain unchanged, where galvanometer shows no current.Talk to our academic expert!
Similar Questions
Seven resistances are connected as shown in the figure. The equivalent resistance between A and B is
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