Electrical Energy
Electrical energy is derived from electrical potential energy or
energy that has been changed from electrical potential energy.
In order for Electrical energy to be materialized a circuit is
needed. The function of the circuit is to deliver the combination of electric
current and electric potential, which is the driving force of electrical
potential energy. After the electrical potential energy has been converted to
another type of energy it stops behaving as electrical potential energy.
Therefore, it can be said that electrical energy is actually a potential energy
before it is being changed to other type of energy or energies.
1. Electrical energy is very important
because this form of energy can be converted easily into other forms of energy,
such as heat, light, mechanical and electromagnetic energy.
2. The energy carried by electrical
charges can be transformed to other form of energy by using different
electrical appliances. The table shows the transformation of energy for a few
household appliances.
Appliances
|
Energy
transformed
|
Rice cooker
|
Electrical
to heat
|
Radio
|
Electrical
to sound
|
Light
|
Electrical
to heat and light
|
Washing machine
|
Electrical
to mechanical
|
3. Electrical
energy can be defined as the energy carried by electrical charges which can be
transformed to other forms of energy by using of an electrical device or
appliances.
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