Questions
The figure shows a circuit diagram of a Wheatstone bridge to measure the resistance G of the galvanometer. The relation will be satisfied only when
a
the galvanometer shows a deflection when switch S is closed
b
the galvanometer shows a deflection when switch S is open
c
the galvanometer shows no change in deflection whether S is open or closed
d
the galvanometer shows no deflection
detailed solution
Correct option is C
In balance condition, no current will flow through the branch containing S.Talk to our academic expert!
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Seven resistances are connected as shown in the figure. The equivalent resistance between A and B is
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