Electrostatics (Grade 11 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What happens between two charged objects with the same type of charge?
What happens between two charged objects with the same type of charge?
They repel each other
What is the value of the electrostatic constant in Coulomb's law?
What is the value of the electrostatic constant in Coulomb's law?
N⋅m²⋅C⁻²
If the distance between two charges is doubled, how does the electrostatic force change?
If the distance between two charges is doubled, how does the electrostatic force change?
Becomes 4 times weaker
If the distance between two charges is tripled, how does the force change?
If the distance between two charges is tripled, how does the force change?
Becomes 9 times weaker
Which formula correctly represents Coulomb's law?
Which formula correctly represents Coulomb's law?
Two charges of nC and nC are separated. What type of force acts between them?
Two charges of nC and nC are separated. What type of force acts between them?
Attractive
How do electrostatic forces compare to gravitational forces at the atomic scale?
How do electrostatic forces compare to gravitational forces at the atomic scale?
Much stronger
What is meant by a point charge in electrostatics?
What is meant by a point charge in electrostatics?
Charge concentrated at a single point
When dealing with three or more charges, how should you calculate the net force?
When dealing with three or more charges, how should you calculate the net force?
Calculate each pair, add as vectors
What key similarity exists between Coulomb's law and Newton's gravitational law?
What key similarity exists between Coulomb's law and Newton's gravitational law?
Both follow inverse square law