No. The towel may burn due to the heat produced by the bulb. Besides, it will also result in wastage of electric energy.
Question
Paheli does not have a night lamp in her room. She covered the bulb of her room with a towel in the night to get dim light. Has she taken the right step? Give one reason to justify your answer.
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Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in figure. The current flowing in both the circuits is the same. a. Will the heat produced in both the cases be equal? Explain. b. Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.
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