A wire of resistance 2 ohms per meter is bent to form a circle of radius 1 m. The equivalent resistance between its two diametrically opposite points, A and B as shown in the figure is-
A. π Ω
B. (frac < π >< 2 >) Ω
C. 2π Ω
D. (frac < π >< 4 >) Ω
Answer:B
A wire of resistance 2 ohms per meter is bent to form a circle of radius 1 m. The equivalent resistance between its two diametrically opposite points, A and B as shown in the figure is-
A. π Ω B. (frac < π >< 2 >) Ω C. 2π Ω D. (frac < π >< 4 >) Ω