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Figure (a) below shows a Wheatstone bridge in which P, Q, R, S are fixed resistances, G is a galvanometer and B is a battery. For this particular case the galvanometer shows zero deflection. Now, only the i positions of B and G are interchanged,. as shown in the figure (b). The new deflection of the galvanometer
- is to the left.
- is to the right.
- is zero
- depends on the values of P, Q, R, S
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Answer is C.
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