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In the Meter Bridge experiment to determine the resistance of given wire the error occurred due to non uniformity of meter bridge wire can be reduced by

$(a)\;\text{adjusting the shortest value} \\(b)\;\text{by including different resistance value in the resistance box.} \\(c)\;\text{by interchanging the resistance in the gap in the meter bridge.} \\(d)\;\text{none}$
Can you answer this question?

Error due to non-uniformity of meter bridge wire can be reduced by interchanging the gaps of the meter bridge.
Hence c is the correct answer.
answered Mar 18, 2014 by