What happens when some charge is placed on a soap bubble ?
[UPPSC 2019]
1) Its radius increases
2) Its radius decreases
3) The bubble collapses
4) None of the above
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1) Its radius increases
What happens when some charge is placed on a soap bubble its radius increases.
Key Points
The radius of the bubble will expand because the charged particles uniformly distributed on it causes them to repel each other due to the electrostatic force.
The phenomenon takes place in both positive and negatively charged bubbles because of the charge on it.