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Prove mathematically that for greater accuracy in meter bridge experiment the null point is obtain in middle of wire

Prove mathematically that for greater accuracy in meter bridge experiment the null point is obtain in middle of wire

Grade:7

1 Answers

Vikas TU
14149 Points
7 years ago
Null point should be at the middle of one third of the wire to obtain the greater accuracy.
Keeping in mind the sensitivity of the meter bridge it has to be done.
Beacuse at this point the ratio of the resistance sof the arms tends to nearly equal.

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