Home » Electricity and Magnetism » Current Electricity » Question

Current Electricity

  1. When a wire of uniform cross–section a, length l and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be ​​
    1. R/4
    2. 4R
    3. R/8
    4. R/2
Correct Option: A




Your comments will be displayed only after manual approval.