A galvanometer having coil resistance $10 \Omega$ shows a full scale deflection for a current of $3 \mathrm{~mA}$. For it to measure a current of $8 \mathrm{~A}$, the value of the shunt should be:

Question

$3.75 \times 10^{-3} \Omega$

$3 \times 10^{-3} \Omega$

$4.85 \times 10^{-3} \Omega$

$2.75 \times 10^{-3} \Omega$

Solution

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