Which everyday application demonstrates the use of static electricity?
A
A balloon sticking to a wall after rubbing
B
Water flowing downhill
C
A ball rolling on a flat surface
D
Ice melting in sunlight
Correct Answer: Option A — A balloon sticking to a wall after rubbing
Explanation:
Rubbing a balloon against hair or fabric transfers electrons creating a static charge that allows the balloon to stick to a wall by attracting opposite charges on its surface.