The effective resistance of three resistances $2 \Omega, 4 \Omega$ and $6 \Omega$ connected in paral

Question

The effective resistance of three resistances $2 \Omega, 4 \Omega$ and $6 \Omega$ connected in parallel is\

Professor PC Thomas Classes · Answer

$\frac{1}{\mathrm{R}}=\frac{1}{\mathrm{R}_{1}}+\frac{1}{\mathrm{R}_{2}}+\frac{1}{\mathrm{R}_{3}}=\frac{1}{2}+\frac{1}{4}+\frac{1}{6}$\