Ques 13:
13. The figure shows experimental set up of a meter bridge. When the two unknown resistance x and Y are inserted, the null point D is obtained 40 cm from the end A. When a resistance of 10 Ω is connected in series with X, the null point shifts by 10 cm towards right side. Find the position of the null point when the 10 Ω resistance is connected in series with resistance Y instead of X, Determine the value of the resistance X and Y.
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the value of X is 10 then the value of the y is 30 because In series we have to add the resistance 10+30=40
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=> The value of X is 10 then the value of the Y is 30 becoz in series we have to add the resistance 10+30 = 40
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