A galvanometer has a resistance of `118Omega` and gives full scale deflection for a current of 50 m A. if it is required to convert into an ammeter of

Question

A galvanometer has a resistance of `118Omega` and gives full scale deflection for a current of 50 m A. if it is required to convert into an ammeter of

A galvanometer has a resistance of `118Omega` and gives full scale deflection for a current of 50 m A. if it is required to convert into an ammeter of range 3A, the shunt resistance should be
A. `0.2 Omega`
B. `0.28Omega`
C. `2Omega`
D. `2.8Omega`

Monjur Alahi

5 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 - C
`I_g=((S)/(S+G))I=(((G//n))/((G//n)+G))I=((1)/(n+1))I`

5 views Answered 2023-02-05 15:29