A resistance of 20 2 is connected in the left gap of a meter brige and an unknown resistance X is connected at right gap. The null point is obtained at 40 cm. Find the value of X. Where will the mull point be, if the resistances are interchanged?

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A resistance of 20 2 is connected in the
left gap of a meter brige and an unknown
resistance X is connected at right gap. The null
point is obtained at 40 cm. Find the value of X.
Where will the mull point be, if the
resistances are interchanged?
Transcribed Image Text:A resistance of 20 2 is connected in the left gap of a meter brige and an unknown resistance X is connected at right gap. The null point is obtained at 40 cm. Find the value of X. Where will the mull point be, if the resistances are interchanged?
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