When a wire of uniform cross-section, having resistance R, is bent into a complete circle, the resistance between any two of diametrically opposite points will be
A. (frac < R >< 8 >)
B. (frac < R >< 2 >)
C. 4R
D. (frac < R >< 4 >)
Answer:D
When a wire of uniform cross-section, having resistance R, is bent into a complete circle, the resistance between any two of diametrically opposite points will be
A. (frac < R >< 8 >) B. (frac < R >< 2 >) C. 4R D. (frac < R >< 4 >)