NCERT Exemplar I — task. Science CBSE, Class 8.

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1. An electric current can produce

Heating effect
Chemical effect
Magnetic effect
All of these

2. Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in the figure.

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They found that the bulb in the set up A glows more brightly as compared to that of the set up B. You would conclude that

higher current is flowing through the circuit in set up A.
the current flowing through the circuits in the two set up cannot be compared in this manner.
equal current is flowing through both the circuits.
higher current is flowing through the circuit in set up B.

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