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Railways PYQCBT 2 2017

RRB NTPC · Question 42

______ is the "work done in moving a unit charge between two points in an electric circuit".

  1. Potential

  2. Current

  3. Power

  4. Resistance

Show answer & explanation

Answer: (A) Potential

Explanation

Potential difference (voltage) between two points is the work done in moving a unit charge between them: V = W/Q.