A wire has resistance 12 ohms . It is bent in the form of a circle. The effective resistance between

Question

A wire has resistance 12 ohms . It is bent in the form of a circle. The effective resistance between the two points on any diameter of the circle is\

Professor PC Thomas Classes · Answer

$\mathrm{R}_{\mathrm{ACB}}=6 \Omega$\ $\mathrm{R}_{\mathrm{ADB}}=6 \Omega$\ $\mathrm{R}_{\mathrm{ACB}}$ and $\mathrm{R}_{\mathrm{ADB}}$ are in parallel.\ $	herefore \mathrm{R}=\frac{6 	imes 6}{6+6}$\