Question on: JAMB Physics - 2024
When a charged ebonite rod is brought near a charged glass rod, there will be
A
attraction
B
repulsion
C
spark
D
no force experienced
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Correct Option: A
The correct answer is attraction. Here's why:
- Ebonite rods and glass rods acquire different types of charges when rubbed with appropriate materials. Ebonite rods become negatively charged, while glass rods become positively charged.
- Opposite charges attract each other. Therefore, a negatively charged ebonite rod will be attracted to a positively charged glass rod.
- Repulsion occurs only between objects with the same type of charge.
- A spark may occur if the charges are strong enough and the distance is small, but it is not the primary interaction.
- There will always be a force (attraction or repulsion) between charged objects.
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