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If a galvanometer is shunted by (1/n)th ...

If a galvanometer is shunted by `(1/n)th` of the value of its resistance, then the fraction of the total current passing through the galvanometer is

A

`n`

B

`1/n`

C

`n-1`

D

`1/(1+n)`

Text Solution

Verified by Experts

The correct Answer is:
D
`I_g/I=S/(S+G)=G/N/G/n+G=1/(1+n)`
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MARVEL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-MCQ
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