The deflection in a M.C.G. is reduced to half , when it is shunted with a `40 Omega` coil. The resistance of the galvanometer is

Question

The deflection in a M.C.G. is reduced to half , when it is shunted with a `40 Omega` coil. The resistance of the galvanometer is

The deflection in a M.C.G. is reduced to half , when it is shunted with a `40 Omega` coil. The resistance of the galvanometer is
A. `60Omega`
B. `40Omega`
C. `20Omega`
D. `10Omega`

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
From problem (67),we have ,
`(S)/(S+G)=(theta)/(theta) therefore (12+G)/(12)=(50)/(10)`
`therefore G=48Omega`.

4 views Answered 2023-02-05 15:29