# A Brief Introduction of the Fundamentals of Electrical (1) ```A Brief Introduction of the
Fundamentals of Electrical Engineering
The basic electrical theory is related to the changes
made in our lives. The medical equipment’s,
transport and several other electrical devices are the
part of it.
It is basically a movement of the positive and the negative
charges. Various concepts are related to the electrical
engineering. Watch this complete video, to know about
the basic concepts.
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Current: the discharge of the
electrical charge is known as
as an electric current. It
comprises direct current(DC)
current(DC) or alternating
current(AC).
The
key
difference is that the direct
current is unidirectional and
and constant and the
alternating current changes
changes
its
direction
periodically.
Ohms’ Law: it is a most basic law used to find out the
difference between the two charges. The current is measured
measured as a flow of a charge in the circuit. The formula of
of the ohms’ law is, V=IR (here, V=voltage, I= current and
R=resistance.
Example: The light bulb is the
perfect example of the resistant in
the circuit. It is also beneficial for
altering the voltage level and the
current path. It is often used to
divide the voltage level.
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Series circuits: the series and the parallel circuits meant to
connected for receiving the supply from the power source. As the
the term indicates, the series circuit connected in sequence and the
the current flows in it is constant.
Parallel Circuit: The parallel circuits are connected at equidistant in
a parallel form for receiving the current from the power supply. The
The supply of the current is divided in all the branches but the
voltage remains the same.
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