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When an electrical current circulates through a coil wrapped around an iron bar, what happens?
It becomes electromagnetic.
Household appliances that use electricity to produce heat have an element called:
Resistor
Name 3 household appliances that use electricity produce heat:
Iron, Toaster, Dryer, Electric Heater.
Why do electrical Currents cause different effects as they pass through the components of a circuit?
Because electricity can easily transform into other types of energy.
When the loads are connected in series and in parallel the assembly is called?
Combined Connection
In a parallel connection the total electrical current of the circuit is the sum of what?
The sum of currents of each load.
When each connection is connected to the positive and negative pole of the battery so that they are powered by the same voltage:
Parallel Connections
In a series connection what happens to the voltage provided by the battery?
It is divided among the different loads.
In a series connection what happens if a load breaks or is disconnected?
The circuit stops working.
In most electrical installations the loads are connected parallel, why?
It allows them to work with tha same voltage and if any one of them breaks the others continue to operate.
A circuit that has different loads located one after another so that the same electrical current circulates to them sequentially:
Series Connections
Loads can be connected in 3 different ways:
Series, Parallel, Combined Circuits.
Two types of components used to control and protect circuits.
Control and Protective Device.
The cables or wires that connect the power source to the load.
Conductor.
The device that transforms electrical energy into another form of energy.
Load.
Name 2 generators that are used to make different electrical circuits work.
Batteries, Accumulators,Alternators, Dynamos.
This is the device from which the circulating electrical current originates.
Power Source
Name the components of an electrical circuit.
Power Source, Load, Conductors.
A set of elements connected to one another so an electrical current can circulate through them.
Electrical Circuit.
What does a continual movement of electrical charges through conductive materials create?
Electrical Current
3 forms of energy electricity can be transformed into:
Luminous, Heat and Mechanical energy
The most commonly used form of energy in society?
Electricity
Name 2 sources electricity can be obtained from.
petroleum, wind, sun or water.
What is the manifestation of energy associated with electrical charges both at rest and in movement called?
Electrical Energy or Electricty.
If you rub a pen on a piece of cloth and place it next to small pieces of paper what will happen?
The bits of paper will be attracted to the pen.


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