The Wheatstone bridge shown in the figure below is balanced when the uniform slide wire \(AB\) is divided as shown. Value of the resistance \(X\) is:
          

1. \(3~\Omega\)
2. \(4~\Omega\)
3. \(2~\Omega\)
4. \(7~\Omega\)

Subtopic:  Meter Bridge |
 90%
Level 1: 80%+
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When two resistances \(X\) and \(Y\) are put in the left hand and right hand gaps in a Wheatstone meter bridge, the null point is at \(60\) cm. If \(X\) is shunted by a resistance equal to half of itself, then the shift in the null point will be:
1. \(26.7\) cm 2. \(33.4\) cm
3. \(46.7\) cm 4. \(96.7\) cm
Subtopic:  Meter Bridge |
Level 3: 35%-60%
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