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The Wheatstone bridge shown in the above figure is balanced. If the positions of the cell C and the galvanometer G are now interchanged, G will show zero deflection (a) in all cases (b) only if all the resistances are equal (c) only if R1 = R3 and R2 = R4 (d) only if R1/R3 = R2/R4 |
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Answer» Correct Answer is: (a) in all cases |
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