Physics, asked by churchman6680, 1 year ago

Write the condition when the emf and terminalvoltage of a cell are same

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Answered by tesla55
0

The emf is the potential difference of a source when no current is flowing. ... The voltage output of a device is called its terminal voltage V and is given by V = emf − Ir, where I is the electric current and is positive when flowing away from the positive terminal of the voltage source.

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