Download AS 90941 Student 3 Parallel circuit is a circuit where 2 or more path

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Transcript
Student 3: Low Merit
AS 90941
Student 3
Parallel circuit is a circuit where 2 or more path ways for electrons to pass through and go to
the power user and all the power user gets all voltage from the power source whereas in a
series circuit there is only one path way for the electrons to go through and if there is two or
more power users in the series circuit. (1) Those two power uses will have to share the
voltage that the power supply is giving meaning dimmer lights and inappropriate in a home
where all bulbs are equally bright in a parallel and can have multiple switches to control
individual lights which makes it very good in the home environment. However having too
many appliances will mean the current also increases due to more appliances pulling out
certain amount of amps from the power source which can then produce heat in the wires and
burn the insulator of the wire and burn the house down but normally we would have a fuse to
prevent this from happening. (2) The fuse will act as a circuit breaker by burning the metal
piece in it and causing the metal to bend away from it cutting the electrical current. This type
of breaker is not used in houses because they turn circuits off and on all the time and this
can damage appliances. Today we use a magnetic circuit breaker where to much current will
magnetise the metal in the wire holding on to the electrons. According to the data I collected
there is a connection between resistance and current. When resistance is high current is low
and the opposite.