Lesson T5.2.2
T5.2.2 Electric fields Quiz: KS3 Physics, Unit 5
20 questions
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Lesson T5.2.2, Electric fields: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 5: Electricity and magnetism, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What term describes a region where a charged object experiences a force?
- Gravitational field
- Magnetic field
- Current loop
- Electric field
-
Which force acts between two charged objects that are not touching?
- Tension in a rope
- Electrostatic force
- Contact friction
- Upthrust in a liquid
-
Which way do electric field lines point around a positive charge?
- Outwards
- Inwards
- Clockwise
- Anticlockwise
-
Where is the electric field surrounding a single point charge strongest?
- Equidistant everywhere
- Closest to charge
- Furthest away
- At infinity
-
What do closely spaced electric field lines indicate?
- Zero charge
- Constant motion
- Weaker field
- Stronger field
-
Why can electric field lines never cross each other?
- They repel
- Charges are neutral
- Energy is lost
- Only one direction
-
Which way does a small positive charge move in an electric field?
- Perpendicularly
- With the field
- In a circle
- Against the field
-
What shape do field lines make between a positive and negative charge?
- Closed concentric circles
- Random zigzags
- Curved lines
- Straight parallel lines
-
How do field lines behave between two like charges?
- Curve apart
- Cancel entirely
- Form loops
- Bridge straight across
-
What describes the electric field between two oppositely charged parallel plates?
- Concentric squares
- Radial circles
- Random scattered dots
- Uniform parallel lines
-
Which way do electric field lines point around a negative charge?
- Away from charge
- Parallel upwards
- Towards charge
- In circles
-
How does a charged balloon exert a force across a gap without touching?
- Air currents
- Gravitational pull
- Electric field
- Magnetic induction
-
What happens to the electric force when two charges are moved further apart?
- Remains constant
- Gets weaker
- Reverses direction
- Gets stronger
-
What do the arrows marked on electric field lines show?
- Amount of mass
- Temperature change
- Force direction
- Speed of charge
-
What happens to the spacing of field lines as distance from a point charge increases?
- Intersect
- Spread further apart
- Bunch closer together
- Remain evenly spaced
-
Which way is a negative object pulled inside a positive electric field?
- Away from positive
- At right angles
- Stays stationary
- Towards positive
-
Why does any charge placed inside an electric field experience a push or pull?
- Air pressure pushes
- Field exerts force
- Gravity pulls it
- Magnetic flux links
-
Where does an electric field exist around a charged object?
- Only on the surface
- Only inside metal
- Directly touching ground
- Surrounding space
-
Which change increases the electric force between two charged objects?
- Moving closer together
- Adding more matter
- Cooling them down
- Moving further apart
-
What causes the side of a neutral sphere near a charge to become charged?
- Electron separation
- Atom destruction
- Neutron decay
- Proton creation
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