In the given circuit the value of $\left|\frac{I_1+I_3}{I_2}\right|$ is
JEE MAIN 2023, Medium
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$I_1=I_2=\frac{20-10}{10}=1\,A$
$I_3=1\,A$
$\left|\frac{I_1+I_3}{ I _2}\right|=2$
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