Question

Give two difference between emf and terminal potential difference.​

Answer 1

Explanation:

Emf

1=emf is the energy supply to the unit charge by the cell

2=the emf is also present even when no current is drawn through the battery

3=It's unit is volt

Potential difference

1= potential difference is the energy dissipated as the unit charge pass through the components

2= potential difference across the conductor is zero in the absence of current

3=It's unit is volt

Answer 2

EMF is equal to Terminal Potential Difference added with Lost Volt. Lost Volt is Internal Resistance times Current in the circuit. The potential difference between the two poles of a cell in an open circuit is called electromotive force of the cell.

In S.I its unit is volt (V) or joule coulomb-1 ( J C-1 )

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