Question

what is internal resistance can anyone tell me with formula and example plz......
any useless answer lead to report.....​

Answer 1

Answer:

Internal resistance refers to the opposition to the flow of current offered by the cells and batteries themselves resulting in the generation of heat. Internal resistance is measured in Ohms. The relationship between internal resistance (r) and emf (e) of cell s given by.

e = I (r + R)

Where, e = EMF i.e. electromotive force (Volts), I = current (A), R = Load resistance, and r is the internal resistance of cell measured in ohms.

Answer 2

Answer:

e=IR

Explanation:

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