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Edexcel GCSE Physics Static Electricity with complete verified solutions
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Edexcel GCSEPhysics Static
Electricity with
complete
verified
solutions
When sliding out of a car, explain why touching the
metal door may give you an electric shock? -
answer There is friction between the person and
the car seat, so there is a separation of charges.
The person would get a positive charge and the
seat would have a negative charge. During this,
when you touch a car door, then the charge in the
metal door will discharge through you. If you had a
negative charge and vice versa, then the electrons
would discharge from you to the metal door.
, When a polythene rod is rubbed with a dry duster,
state what charge would be left on the polythene. -
answer Negative
A possible build up of static electricity during the
refuelling of an aircraft is dangerous. Explain why?
- answer The charges are separated and there is a
possibility of a spark
What happens to insulators that gain a charge? -
answer Insulators can carry a charge but they
cannot transfer it
Explain how cables reduce the dangers when
refuelling the aircraft - answer Metals are good
conductors of electricity. The charge flows through
the wire and goes to the ground which discharges
the aircraft
Explain why a balloon becomes negatively charged
when it was rubbed with a cloth - answer There is
friction so there is a transfer of electrons. The
negative charge moves from the cloth to the
balloons
What is an electric field? - answer It is the region
of space between separated charges where
another electric charge will experience a force
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