Electric fields (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is an electric field?
What is an electric field?
A region where charged objects feel a force
How does electric field strength change with distance from a charged object?
How does electric field strength change with distance from a charged object?
It decreases with distance
What is required between a charged object and Earth to cause a spark?
What is required between a charged object and Earth to cause a spark?
High enough potential difference
What happens to air particles in a strong electric field during spark formation?
What happens to air particles in a strong electric field during spark formation?
They become ionised
Why can a spark flow through air after ionisation?
Why can a spark flow through air after ionisation?
Ionised air becomes more conductive
What happens when two positively charged objects are near each other?
What happens when two positively charged objects are near each other?
They repel each other
What happens when a positive and negative charge are near each other?
What happens when a positive and negative charge are near each other?
They attract each other
In which direction do electric field lines point?
In which direction do electric field lines point?
From positive to negative charges
What does it mean when electric field lines are closer together?
What does it mean when electric field lines are closer together?
The field is stronger
How do field lines behave between two like charges?
How do field lines behave between two like charges?
They push against each other
How do field lines behave between two opposite charges?
How do field lines behave between two opposite charges?
They join up between the objects
Where is a uniform electric field created?
Where is a uniform electric field created?
Between oppositely charged parallel plates