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Name Symbol Function Sample Application

The document summarizes the functions of common electrical components: Capacitors store electrical energy and discharge it to circuits when needed. Resistors control current flow in circuits. Transistors can amplify and switch power and signals. Diodes allow current to pass in one direction, blocking the reverse direction. Inductors resist changes in current and store energy in magnetic fields. Transformers transfer energy between circuits through induction. Fuses melt under high current to interrupt circuits. Relays control circuits using low-power signals. Integrated circuits function as amplifiers, timers, memory or processors. Batteries use chemical reactions to provide portable power.

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rhey
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130 views3 pages

Name Symbol Function Sample Application

The document summarizes the functions of common electrical components: Capacitors store electrical energy and discharge it to circuits when needed. Resistors control current flow in circuits. Transistors can amplify and switch power and signals. Diodes allow current to pass in one direction, blocking the reverse direction. Inductors resist changes in current and store energy in magnetic fields. Transformers transfer energy between circuits through induction. Fuses melt under high current to interrupt circuits. Relays control circuits using low-power signals. Integrated circuits function as amplifiers, timers, memory or processors. Batteries use chemical reactions to provide portable power.

Uploaded by

rhey
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Name Symbol Function Sample application

Is to store the electrical Some capacitors operate


energy and give this better at low frequencies,
Capacitor energy again to the circuit whereas others are better
when necessary. In other at high or radio frequencies.
words, it charges and
discharges the electric
charge stored in it.
In electronic circuits,
The resistors are used to reduce
main function of resistors current flow, adjust signal
Resistor in a circuit is to control the levels, to divide voltages,
flow of current to other bias active elements, and
components terminate transmission
lines, among other uses.
The resistance is controlled
by a small current flowing in
A semiconductor with a the base of the transistor.
solid and non-moving part These devices are used an
Transistor to pass a charge. It can all electronic systems,
amplify and switch radios, computers, medical
electrical power and instruments, control
electronic signals. systems, cameras, autos,
airplanes, radar and many
others.

The most For such a simple


common function of component, diodes have a
a diode is to allow an huge range of uses. You'll
electric current to pass in find a diode of some type in
Diode one direction (called just about every circuit.
the diode's forward They could be featured in
direction), while blocking it anything from a small-signal
in the opposite direction digital logic to a high
(the reverse direction). voltage power conversion
circuit.
Is a passive two-terminal
electrical Like resistors and
component which resists capacitors, inductors are
changes in electric also passive elements which
Inductor current passing through it. are used to store the
It consists of a conductor electric energy in the form
such as a wire, usually of magnetic field.
wound into a coil.
electrical device that It can increase or decrease
transfers electrical energy the value of capacitor, an
Transformer between two or inductor or resistance in an
more circuits through elect AC circuit. It can thus act as
romagnetic induction. an impedance transferring
device.
Its essential component is a
Is an electrical safety metal wire or strip that
Fuse device that operates to melts when too much
provide overcurrent protec current flows through it,
tion of an electrical circuit. thereby interrupting the
current.
Requires evaluation of
Used where it is necessary many different factors:
to control a circuit by a Number and type of
Relays separate low-power signal, contacts – normally open,
or where several circuits normally closed, (double-
must be controlled by one throw); Contact sequence –
signal. "Make before Break" or
"Break before Make".
Varied as the imagination of
function as an amplifier, the designers. Within limits,
Integrated oscillator, timer, counter, anything that can be
Circuit computer memory, or designed and built with
microprocessor. discrete components can be
put into an IC.
A device consisting of one When a battery is
or more electrochemical connected to an external
cells with external circuit, electrolytes are able
Battery connections provided to to move as ions within,
power electrical devices allowing the chemical
such reactions to be completed
as flashlights, smartphones at the separate terminals
, and electric cars. and so deliver energy to the
external circuit.
Inductor

Transformer

Fuse

Relays

Microcontroller

 Integrated Circuits

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