The internal resistance of the primary cell is 4 . It generates a current of 0.2 A in an…
Physics · Class 12 · CBSE — Current Electricity
The internal resistance of the primary cell is 4 \(\Omega\) . It generates a current of 0.2 A in an external resistance of 21 \(\Omega\) . The rate at which chemical energy is consumed which is providing the current is:
- 0.42 J/s
- 0.24 J/s
- 5 J/s
- 1 J/s
Answer
(C) 5 J/s
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