-
current is used to
energise equipment, and in
electronics dealing with
electrical circuits involving active components such as
vacuum tubes, transistors...
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Electrical engineering is an
engineering discipline concerned with the study, design, and
application of equipment, devices, and
systems which use electricity...
- An
electrical injury, (electric injury) or
electrical shock (electric shock) is
damage sustained to the skin or
internal organs on
direct contact with...
- In
physics and
electrical engineering, a
conductor is an
object or type of
material that
allows the flow of
charge (electric current) in one or more directions...
- A
substation is a part of an
electrical generation, transmission, and
distribution system.
Substations transform voltage from high to low, or the reverse...
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Electrical energy is
energy related to
forces on
electrically charged particles and the
movement of
those particles (often
electrons in wires, but not...
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Electrical wiring is an
electrical installation of
cabling and ****ociated
devices such as switches,
distribution boards, sockets, and
light ****ings in...
- In
electrical engineering,
impedance is the
opposition to
alternating current presented by the
combined effect of
resistance and
reactance in a circuit...
- An
electrical network is an
interconnection of
electrical components (e.g., batteries, resistors, inductors, capacitors, switches, transistors) or a model...
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Electrical telegraphs were point-to-point text
messaging systems,
primarily used from the 1840s
until the late 20th century. It was the
first electrical...