10 Questions
What is the topic of discussion in this chapter?
Static electricity or electrostatics
What is the historical origin of the term 'electricity'?
From the Greek word 'elektron' meaning amber
Who is credited with the discovery that amber rubbed with wool or silk cloth attracts light objects?
Thales of Miletus, Greece
What is the phenomenon that occurs when electric charges accumulated due to rubbing of insulating surfaces are discharged?
Spark, crackle, lightning, or electric shock
What does electrostatics deal with?
The study of forces, fields, and potentials arising from static charges
What happens when two glass rods rubbed with wool are brought close to each other?
They repel each other.
What do two plastic rods rubbed with cat’s fur do when brought close to each other?
They repel each other.
What is the property that differentiates the two kinds of charges called?
Polarity of charge
What happens when a glass rod rubbed with silk is brought in contact with the silk?
They no longer attract each other.
What is the charge on a glass rod by convention?
Positive
Test your knowledge of the introduction to electric charges and fields. Explore common examples of electric discharges and sensations like electric shocks. See how much you know about this fundamental concept in physics.
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