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Suraj011 Sharma
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Asked: 2025-02-14T08:12:11+00:00 In:

On charging a neutral balloon, its size

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Poll Results

22.73%(a) Increases ( 5 voters )
0%(b) Decreases
45.45%(c) Remains same ( 10 voters )
31.82%(d) No relation between charge and size ( 7 voters )
Based On 22 Votes

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When a neutral balloon is charged, its size increases. This happens because like charges repel, causing the charged particles on the balloon’s surface to push apart. This increases the internal electrostatic pressure, slightly expanding the balloon. Thus, the correct answer is (a) Increases.
Class 12th Science Physics NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.

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    1 Answer

    1. On charging a neutral balloon, its size increases due to electrostatic repulsion. The added charge causes like charges on the balloon’s surface to repel each other, leading to expansion. This effect is noticeable in flexible materials like balloons, where the repelling charges push outward, slightly increasing the overall size of the balloon.

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