Lesson 4.2.5.2
4.2.5.2 Electric fields Quiz: AQA Physics, Unit 2
20 questions
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Lesson 4.2.5.2, Electric fields: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 2: Electricity, written with Revision Ninja.
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The 20 questions
-
What does any charged object create in the space surrounding it?
- Sound wave
- Gravitational field
- Electric field
- Magnetic field
-
Where is the electric field surrounding a charged object at its strongest?
- Uniform everywhere
- Far from object
- Close to object
- At infinity
-
What happens to the electrostatic force between two charges when the distance decreases?
- Increases
- Decreases
- Stays the same
- Drops to zero
-
What does a second charged object experience when placed in an electric field?
- A force
- Magnetic pull
- Thermal energy
- No effect
-
What is the direction of electric field lines around an isolated positive sphere?
- Inwards
- Outwards
- Circular
- Spiral
-
What is the direction of electric field lines around an isolated negative sphere?
- Inwards
- Circular
- Parallel
- Outwards
-
Which physical concept explains the non-contact force between two charged objects?
- Gravitational pull
- Electric field
- Air pressure
- Magnetic flux
-
Which electrical phenomenon can be explained by a strong electric field ionising air?
- Sparking
- Induction
- Conduction
- Resistance
-
Two charged spheres are moved closer together. What happens to their electrostatic force?
- Reverses direction
- Decreases
- Stays constant
- Increases
-
In an electric field diagram, what do field lines that are closer together represent?
- Stronger field
- Neutral charge
- Weaker field
- Constant force
-
How does the strength of an electric field change as you move further from a charge?
- Stays constant
- Drops instantly
- Gets stronger
- Gets weaker
-
What do electric field lines show the direction of?
- Electron flow
- Positive force
- Neutron movement
- Negative force
-
What two quantities determine the electrostatic force?
- Mass and speed
- Volume and density
- Charge and distance
- Temperature and pressure
-
What allows a charged object to exert a non-contact force?
- Gravitational pull
- Surrounding electric field
- Air currents
- Magnetic induction
-
What causes a spark when touching a charged metal object?
- Magnetic flux leak
- Sudden air discharge
- Thermal expansion
- Chemical reaction
-
What do electric field lines never do?
- End
- Touch
- Curve
- Cross
-
What happens to an electric field far from an isolated charge?
- It becomes infinite
- It reverses direction
- It becomes zero
- It becomes weak
-
What is defined as a region where a charged object experiences a force?
- Gravitational field
- Electric field
- Electromagnetic wave
- Magnetic field
-
Which device uses electric fields to trap smoke particles?
- Electrostatic precipitator
- Cathode ray tube
- Step-up transformer
- Geiger counter
-
What is the direction of the force between opposite charges?
- Perpendicular
- Towards each other
- In circles
- Away from each other
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