Philtech Electrical Engineering

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Art of engineering

Hey engineers, let's get back to
the beginning for a second!! HOW VOLTAGE, CURRENT AND
RESISTANCE RELATE? An electric circuit is formed
when a conductive path is
created to allow free electrons
to continuously move. This
continuous movement of free
electrons through the conductors of a circuit is called
a current, and it is often
referred to in terms of “flow,”
just like the flow of a liquid
through a hollow pipe. The force motivating electrons
to “flow” in a circuit is called
voltage. Voltage is a specific
measure of potential energy
that is always relative between
two points. When we speak of a certain amount of voltage
being present in a circuit, we
are referring to the
measurement of how much
potential energy exists to move
electrons from one particular point in that circuit to another
particular point. Without
reference to two particular
points, the term “voltage” has
no meaning. Free electrons tend to move
through conductors with some
degree of friction, or opposition
to motion. This opposition to
motion is more properly called
resistance. The amount of current in a circuit depends on
the amount of voltage available
to motivate the electrons, and
also the amount of resistance in
the circuit to oppose electron
flow. Just like voltage, resistance is a quantity relative
between two points. For this reason, the quantities
of voltage and resistance are
often stated as being
“between” or “across” two
points in a circuit.

► HTTP — Hyper Text Transfer
Protocol.
► HTTPS — Hyper Text Transfer
Protocol Secure.
► IP — Internet Protocol.
► URL — Uniform Resource Locator.
► USB — Universal Serial Bus.
► VIRUS — Vital Information
Resource Under Seized.
► 3G — 3rd Generation.
► GSM — Global System for Mobile Communication.
► CDMA — Code Divison
Multiple Access.
► UMTS — Universal Mobile
Telecommunication System.
► SIM — Subscriber Identity Module.
► AVI — Audio Video
Interleave
► RTS — Real Time Streaming
► SIS — Symbian OS Installer
File ► AMR — Adaptive Multi-Rate
Codec
► JAD — Java Application
Descriptor
► JAR — Java Archive
► 3GPP — 3rd Generation Partnership Project
► 3GP — 3rd Generation
Project
► MP3 — MPEG player lll
► MP4 — MPEG-4 video file
► AAC — Advanced Audio Coding
► GIF — Graphic
Interchangeable Format
► JPEG — Joint Photographic
Expert Group
► BMP — Bitmap ► SWF — Shock Wave Flash
► WMV — Windows Media
Video
► WMA — Windows Media
Audio
► WAV — Waveform Audio ► PNG — Portable Network
Graphics
► DOC — Document (Microsoft
Corporation)
► PDF — Portable Document
Format ► M3G — Mobile 3D Graphics
► M4A — MPEG-4 Audio File
► NTH — Nokia Theme(series
40)
► THM — Themes (Sony
Ericsson) ► MMF — Synthetic Music
Mobile Application File
► NRT — Nokia Ringtone
► XMF — Extensible Music File
► WBMP — Wireless Bitmap
Image ► DVX — DivX Video
► HTML — Hyper Text Markup
Language
► WML — Wireless Markup
Language
► CD — Compact Disk. ► DVD — Digital Versatile Disk.
► CRT — Cathode Ray Tube.
► DAT — Digital Audio Tape.
► DOS — Disk Operating
System.
► GUI — Graphical User Interface.
► ISP — Internet Service
Provider.
► TCP — Transmission Control
Protocol.
► UPS — Uninterruptible Power Supply.
► HSDPA — High Speed
Downlink Packet Access.
► EDGE — Enhanced Data Rate
for GSM
[Global System for Mobile Communication]
► VHF — Very High Frequency.
► UHF — Ultra High Frequency.
► GPRS — General Packet
Radio Service.
► WAP — Wireless Application Protocol.
► ARPANET — Advanced
Research Project Agency
Network.
► IBM — International
Business Machines. ► HP — Hewlett Packard.
► AM/FM — Amplitude/
Frequency Modulation.
► WLAN — Wireless Local Area
Network

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