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प्रश्न
Observe the figure.
 |
 |
| A | B |
Which of these two circuits A or B shows the correct observation?
लघु उत्तर
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उत्तर
The electrons flow from the negative terminal towards the right terminal and then these electrons react with the potato and the end of the positive terminal which then turns the potato greenish blue. Hence, circuit A shows the correct observation.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
