4. A metal sphere is grounded through a switch, and a positively charged balloon is brought near it. The switch is opene

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4. A metal sphere is grounded through a switch, and a positively charged balloon is brought near it. The switch is opene

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4 A Metal Sphere Is Grounded Through A Switch And A Positively Charged Balloon Is Brought Near It The Switch Is Opene 1
4 A Metal Sphere Is Grounded Through A Switch And A Positively Charged Balloon Is Brought Near It The Switch Is Opene 1 (19.29 KiB) Viewed 13 times
4. A metal sphere is grounded through a switch, and a positively charged balloon is brought near it. The switch is opened and the balloon is taken away. The sphere is now (a) neutral (b) negatively charged (c) positively charged (d) charged, but we cannot know its polarity
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