The opposition offered by the electrolyte of the cell to the flow of current through itself is known as _.
Correct answer: B. Internal resistance
- A. External resistance
- B. Internal resistance
- C. Both
- D. None
Explanation
The correct answer is internal resistance, which refers to the opposition to the flow of current caused by the materials and reactions within the cell itself. This resistance results in the generation of heat when current flows through the cell. External resistance, on the other hand, pertains to resistance encountered in the circuit components outside the cell. The option 'Both' is incorrect because internal and external resistances are different and cannot be combined to describe the opposition within the cell. The option 'None' is incorrect as there is a specific term for this opposition, which is internal resistance.
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About Internal Resistance of Sources
Internal resistance is the opposition to current inside a cell or other source, causing terminal voltage to fall below its emf when current flows. Questions use E = V + Ir, current in complete circuits, lost volts, source combinations, and the difference between internal resistance and the external load resistance.
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