Parallel plate capacitor (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary function of a capacitor?
What is the primary function of a capacitor?
To store electric charge
What material separates the conductive plates in a capacitor?
What material separates the conductive plates in a capacitor?
A dielectric
What is relative permittivity also known as?
What is relative permittivity also known as?
Dielectric constant
How does increasing the plate area affect capacitance?
How does increasing the plate area affect capacitance?
Increases capacitance
How does decreasing the distance between plates affect capacitance?
How does decreasing the distance between plates affect capacitance?
Increases capacitance
What is the formula for the capacitance of a parallel plate capacitor?
What is the formula for the capacitance of a parallel plate capacitor?
How do polar molecules align when an electric field is applied?
How do polar molecules align when an electric field is applied?
Positive ends face negative plate
What effect does the internal field of polar molecules have?
What effect does the internal field of polar molecules have?
Opposes the external field
How does dielectric polarisation affect the required potential difference?
How does dielectric polarisation affect the required potential difference?
Reduces it for same charge
Using , what happens to if decreases for constant ?
Using , what happens to if decreases for constant ?
increases