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Four coils resistances 3,6,9 and 30Omega...

Four coils resistances 3,6,9 and `30Omega` respectively are arranged to form a wheatstone bridge. Determine the value of the resistance with which the coil of `30Omega` should be shunted so as to balance the bridge.

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The correct Answer is:
`45Omega`
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SL ARORA-ELECTRICAL INSTRUMENTS-Problem for self practice
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  9. for the network shown in figure, determine the value of R and the curr...

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  10. The potentiometer wire AB shown in figure. Is 40 cm long. Where should...

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  11. The potentiometer wire AB shown in figure. Is 50 cm long. When AD=30cm...

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  12. In an experiment with post office box, the ratio arms are 1000:10. If ...

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  13. P,Q,R and S are the resistances taken in the cyclic order in a wheatst...

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  14. A resistance of 5Omega is connected in one gap of a metre bridge and 1...

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  16. In the circuit shown in figure. A metre bridge is shown in its balance...

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  17. In a metre bridge when the resistance in the left gap is 2Omega and an...

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  18. In comparing the resistance of two coils P and Q with the help of a me...

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  19. In a meter-bridge experiment, two resistances P and Q are connected in...

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  20. In a meter-bridge experiment with a resistance R(1) in left gap and a...

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