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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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Question

Paheli does not have a night lamp in her room. She covered the bulb of her room with a towel at the night to get dim light. Has she taken the right step? Give one reason to justify your answer.

Give Reasons
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Solution

No, the towel may burn due to the heat produced by the bulb. Besides, it will also result in the wastage of electric energy. She could have used a lamp shade.

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Chapter 14: Electric Current and Its Effects - VERY SHORT ANSWER QUESTIONS [Page 77]

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NCERT Exemplar Science [English] Class 7
Chapter 14 Electric Current and Its Effects
VERY SHORT ANSWER QUESTIONS | Q 10. | Page 77

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