Question

difference between potential difference and emf​

Answer 1

1.Emf is the total voltage in the battery while the potential difference is the work done in moving a charge against the electric field between two specific points in the circuit.

2.Emf is always greater than the potential difference.

3.The concept of emf is applicable only to an electrical field while the potential difference is applicable to magnetic, gravitational, and electric fields.

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Answer 2

Answer:

Difference between electromotive force and potential difference. E.m.f is the energy supplied to the unit charge by the cell. Potential difference is the energy dissipated as the unit charge passes through the components. ... The emf is also present even when no current is drawn through the battery.