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In meter brigde of Wheatstone bridge for...

In meter brigde of Wheatstone bridge for measurment of resistance, the known and the unknown resistance are interchanged. The error so removed is

A

End correction

B

Index error

C

Due to temperature effect

D

Random error

Text Solution

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The correct Answer is:
A
(a) In meter bridge experiment,it is assumed that the resistance of the `L` shaped plate is negligible, but actually it is not so, The error created due to this is called, end error. To remove this the resistance box and the unknown resistance must be interchanged and then the mean reading must be taken.
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