Question

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what is the Difference between emf and Terminal potential difference

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Answer 1

Answer:

Terminal voltage is the potential difference across the terminals when the circuit is switched on. Whereas EMF is the maximum potential difference that a cell or a generator is able to produce when there is no current flow across it.

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Answer 2

Explanation:

★Terminal Potential Difference

• 1. It is the potential difference between the electrodes of a cell in a closed circuit (when current is drawn from the cell).

★Emf

• 1. It is the potential difference between the electrodes of a cell when no current is drawn from the cell. Represented by E.

★Terminal Potential Difference

• 2.Terminal voltage is measured by voltmeter.

★Emf

• E.m.f. is measured by potentiometer.

★Terminal Potential Difference

• 3.potential difference is the energy dissipated as the unit charge pãss through the components

• 4.It's unit is volt

★Emf

• 3-emf is the energy supply to the unit charge by the cell
• 4-emf is the energy supply to the unit charge by the cell2-the emf is also present even when no current is drawn through the battery