PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demoa) Inflate two balloons. Hang them in such a way that they do not touch each other. Rub both the balloons with a woollen cloth and release them. What do you observe?
Like charges repel each other
Now let us repeat this activity with the used pen refills. Rub one refill with polythene. Place it carefully in a glass tumbler using the tumbler as a stand.
Interaction between like charges
Rub the other refill also with polythene. Bring it close to the charged refill. Be careful not to touch the charged end with your hand. Is there any effect on the refill in the tumbler? Do the two attract each other, or repel each other? In this activity we have brought close together the charged objects that were made of the same material. What happens if two charged objects made of different materials are brought close to each other?
Let’s find out.
b) Rub a refill and place it gently in a glass tumbler as before. Bring an inflated charged balloon near the refill and observe
Unlike charges attract each other
a. In the first instance, we saw that balloons one another. As a result, like charges repel one another.
b. In the second instance, identical charges on one charged refill caused it to another charged refill.
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