GCSE Edexcel Physics Topic
11 - Static Electricity test
questions and answers
What can happen when insulating
materials are rubbed together?
They can become (statically) electrically
charged.
Why can insulators become electrically charged
when rubbed together?
● Electrons transfer from one material onto the
other
● The material gaining electrons becomes
negatively
charged
● The material losing electrons becomes equally
positively charged
What would happen when two electrically charged
objects are brought close together?
They exert a force on each other.
What happens when two identically
charged objects are brought close
together?
They exert a repulsive force on each
other and repel.
, What happens when two oppositely charged
objects
are brought close together?
They exert an attractive force on each
other and attract.
Give an example of a non-contact force.
The repulsive or attractive force acting
between two electrically charged objects.
Why do we feel an electric shock?
● When an object builds up an electrostatic charge,
it
needs to be 'earthed' via a conductor.
● Electrons flow to/from the earth to balance the
charge.
● This can also occur if you touch a charged object
whilst
you are earthed.
● If earthing occurs through a person/animal, it
causes an
electric shock.
Why does lightning occur?
● Clouds can build up an electrostatic charge.
● When this charge becomes large enough,
the clouds discharge via the air to the earth.
● This is known as lightning
Why does a charged balloon stick to the wall?
When a positively charged balloon is placed
next to a wall the positive charges near the
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