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The null point of a metre bridge is at 4...

The null point of a metre bridge is at 40 cm when resistance X and Y are placed in left and the right gaps , respectively . The following observations show the resistance in the left right gaps and the nul point respectively . Which of them are correct ?

A

`2X,(Y)/(3),80"cm"`

B

`3X,2Y,50"cm"`

C

`(X)/(2),Y+(X)/(2),20"cm"`

D

`X+(Y)/(2),(Y)/(2),70"cm"`

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The correct Answer is:
A, B, C, D
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CHHAYA PUBLICATION-KIRCHHOFF'S LAWS AND ELECTRICAL MEASUREMENT -ENTRANCE CORNER (Multiple correct answers type )
  1. Between the Kirchhoff's laws of electric circuits ,

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  2. The null point of a metre bridge is at 40 cm when resistance X and Y a...

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