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Give reasons : Explain why it is not sa...

Give reasons :
Explain why it is not safe to go out with an umbrella when there is heavy rain, lightning or thunder.

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TARGET PUBLICATION-STATIC ELECTRICITY-SOLVED
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  2. Give reasons : Use your brain power! : Why does a charged balloon st...

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  3. Give reasons : Explain why it is not safe to go out with an umbrella ...

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  4. Give reasons : Why do farmers stick an iron staff into the ground whi...

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  5. Answer the following question in short : Why is lightning not seen e...

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  6. Use your brain power! Why is the upper end of the lightning conduct...

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  7. Give reasons : Use your brain power! : Why are coal and salt added t...

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  8. Do you have experience of the instances given below? : A plastic comb...

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  9. Do you have experience of the instances given below? : A plastic comb...

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  10. Rub one end of a glass rod against a silk cloth. Due to the rubbing a ...

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  11. Now take plastic rod. Rub one of its ends against a woollen cloth. Bri...

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  12. Refer the materials and procedure given on textbook page no. 52. Recor...

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  13. Refer the apparatus and procedure given on textbook page no. 53. Rcord...

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  14. To charge an object by contact. : Rub a plastic comb against paper. T...

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  15. To charge an object by induction. : Rub a comb or a balloon on your h...

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  16. Keep a spent tubelight in a dark place. Rub it vigorouly with a thin p...

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  17. Oral work : When do we say that asn object is electrically neutral?

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  18. Oral work : When is an object said to be charged?

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  19. Oral work : Why should the experiments of static electricity be perfo...

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  20. Oral work : Which device is used to detect the electric charge on an ...

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