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30 terms

Electronics Vocabulary

Electronics Vocabulary for communication system at WHS
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Ohm's Law
the law the states that the current passing through a conductor between two points is directly proportional to the potential difference across the two points, and inversely proportional to the resistance between them.
Power formula
the formula: W (watts)= E (volts) x I (amps)
Load
what the current powers
Current
moving electrons
Amperes
a unit of electric current
Resistance
the opposition to an electrical current measured in ohms
Resistor Color Code
a color code for reading the size of a reisitor
Voltage
the difference of electrical potential between to points on a circuit
Encoding
transforming a signal into code, ex: a compressor
Decoding
changing code into a signal
Transducer
a device that encodes and decodes
Transmitting
sending an electronic signal
Receiving
when an electromagnetic signal is received
Transistor
a device used to amplify or switch electronic signals
L.E.D.
a light emitting diode
Diode
a device with two-terminals
Battery
a device with two or more electrochemical cells that store chemical energy
Capacitor
a device that stores energy between a pair of conductors
Analog
a signal that isn't electric and it's small variations mean something
Digital
a discontinuous signal that's either on or off
DC
a direct current
AC
an alternating current
Microprocessor
a computer chip that processes information
Series circuit
when the current goes in one direction
Parallel Circuit
when the current goes in more than one direction
Multiplexing
when multiple signals go through one channel
Electromagnetic wave
a signal transmitted through a channel without wires
Electron
a negatively charged atom
Neutron
a neutrally charged atom
Proton
a positively charged atom