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Railways PYQCBT 1 2020

RRB NTPC · Question 22

The maximum resistance which can be made by using four resistors each of 1/4 in series is ____

  1. 1/8

  2. 1/4

  3. 1

  4. 4

Show answer & explanation

Answer: (C) 1

Explanation

Resistances in series add, and connecting all four in series gives the maximum: 4 × 1/4 = 1 (ohm).