In a meter bridge experment, the value of unknown resistance is `2Omega`. To get tehbalancing point at 40 cm distance form the same end, the resistanc

Question

In a meter bridge experment, the value of unknown resistance is `2Omega`. To get tehbalancing point at 40 cm distance form the same end, the resistanc

In a meter bridge experment, the value of unknown resistance is `2Omega`. To get tehbalancing point at 40 cm distance form the same end, the resistance in the resistance box will be :
A. 0.5 Omega
B. 3Omega
C. 20 Omega
D. 80 Omega

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Apply condition for balance wheat stone bridge.
`P/Q=l/(100-l)=P/2=(100-40)/40`
`P=3Omega`.

4 views Answered 2023-02-05 15:29