Home Physics Electric Charges and Fields All Topic Question for Revision Test If a soap bubble is given a negative charge,…
Physics Electric Charges and Fields All Topic Question for Revision Test MCQ (Single Correct)

If a soap bubble is given a negative charge, then its radius

A
decreases
B
increases
C
remains same
D
first increase then decrease

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Text Solution

Verified by Experts
The correct answer is:
A

Due to mutual repulsion between like charges over the surface, they will push the parts of soap film away from each other. Hence, the radius of bubble will increase.

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