WBCS.LIVE practice question

A piece of wire having Resistance 'R' is cut into 'n' equal parts and then connected into parallel combination what will be the effective Resistance of combination?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. nR
  2. R/n
  3. n³/R
  4. R/n²

Correct answer and explanation

Correct answer: R/n²