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A meter bridge is set up as shown, to determine an unknown resistance `X` using a standard 10 ohm resistor. The galvanometer shows null point when tapping -key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determine value of `X` is A. 10.2 ohmB. 10.6 ohmC. 10.8 ohmD. 11.1 ohm |
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Answer» Correct Answer - B `l_(1) = 52 +1 = 53 cm` `l_(2) = 48 + 2 =50 cm` `(l_(1))/(l_(2))= (x)/(R)`. |
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