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The quantity having the same unit as that of emf is

Correct answer: C. Potential difference

  • A. Energy
  • B. Momentum
  • C. Potential difference
  • D. Current

Explanation

The potential difference (also known as voltage) between two points in an electric circuit is the amount of work done per unit charge in moving a positive test charge from one point to the other against the electric field. This is exactly what electromotive force (emf) represents. Both emf and potential difference are measured in volts (V) or joules per coulomb (J/C). They represent the difference in electrical potential energy per unit charge between two points in an electrical circuit.

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About Current Electricity

Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.

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