Calculate the potential difference between, points $A$ and $B$ and current flowing in $10\,\Omega $ resistor in the part of network below
Medium
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$15\,\Omega $ and $ 10\, \Omega$ are in parallel current through
$10\, \Omega$ resistance $=\frac{\mathrm{V}}{\mathrm{R}}=\frac{10}{10}=1 \mathrm{\,A}$
$I=\frac{10}{2}=5 \,A$
$\mathrm{V}_{\mathrm{AB}}=\mathrm{IR}_{\mathrm{eq}}$
$=5 \times 10=50 \mathrm{\,V}$
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