what is the end error in meter bridge?How can you remove it
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Explanation:
The shifting of zero of the scale at different points as well as the stray resistance give rise to the end error in meter bridge wire. This error arise due to the non uniformity of the meter wire End corrections can be estimated by including known resistances P1 and Q1 in the two ends and finding the null point.
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End error can be removed by repeating the experiment by interchanging unknown and known resistance and finally taking the mean value of resistance obtained in each experiment. Given: The resistance in two arms of meter bridge are R = 5 Ω and 5 Ω.
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