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  4. The value of current in the given circuit if the ammeter is a galvanometer with a resistance RG=50 Ω is <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/2f53030c80df158973fdbdf34133fcfb-.jpeg />

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Q. The value of current in the given circuit if the ammeter is a galvanometer with a resistance $R_{G}=50\, \Omega$ is
image

Moving Charges and Magnetism

Solution:

$I=\frac{V}{R_{e w}}$
$R _{ eq }= R _{ g }+3=50+3$
$=53 \,\Omega$
$I=\frac{V}{R_{e q}}=\frac{5}{53}=0.094 \,A$