Electric Field (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 defines the direction of an electric field at any point in space?
What defines the direction of an electric field at any point in space?
Direction a positive test charge moves
Which way do electric field lines point around an isolated positive charge?
Which way do electric field lines point around an isolated positive charge?
Radially outward in all directions
In which direction do electric field lines point around an isolated negative charge?
In which direction do electric field lines point around an isolated negative charge?
Radially inward toward the charge
What is true about electric field lines in a correctly drawn field diagram?
What is true about electric field lines in a correctly drawn field diagram?
They never touch or cross each other
What do electric field lines represent?
What do electric field lines represent?
A visualization tool, not real objects
What is the formula for electric field strength in terms of force and charge ?
What is the formula for electric field strength in terms of force and charge ?
What are the units of electric field strength?
What are the units of electric field strength?
Newtons per coulomb (N·C⁻¹)
What does the electric field strength depend on?
What does the electric field strength depend on?
Source charge and distance only
How do field lines appear between a positive and negative charge placed near each other?
How do field lines appear between a positive and negative charge placed near each other?
Curved lines from positive to negative
What happens at the midpoint between two identical positive charges?
What happens at the midpoint between two identical positive charges?
Net force on test charge is zero