Comparing gravitational fields and electrical fields (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
How do gravitational and electric forces vary with distance between sources?
How do gravitational and electric forces vary with distance between sources?
Both vary as
What is the direction of gravitational force between two masses?
What is the direction of gravitational force between two masses?
Always attractive
Gravitational field strength is defined as:
Gravitational field strength is defined as:
Force per unit mass
How does electric potential vary with distance from a point charge?
How does electric potential vary with distance from a point charge?
Proportional to
Why is gravitational potential always negative?
Why is gravitational potential always negative?
Grav. force is attractive
What does field strength equal in terms of potential?
What does field strength equal in terms of potential?
Gradient of potential-distance graph
What is true about equipotential surfaces?
What is true about equipotential surfaces?
Perpendicular to field lines
How do media affect gravitational and electric forces?
How do media affect gravitational and electric forces?
Grav. unchanged, elec. affected
If distance from a point mass doubles, field strength becomes:
If distance from a point mass doubles, field strength becomes:
One quarter original value
When is electric force between two charges repulsive?
When is electric force between two charges repulsive?
Like charges (same sign)