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# Unit 1.1 Part A.

TermDefinition
Analog A way of representing some physical quantity, such as temperature or velocity, by a proportional continuous voltage or current. An analog voltage or current can have any value within a defined range.
Breadboard A circuit board for wiring temporary circuits, usually used for prototypes or laboratory work.
Conventional Current The direction of current flow associated with positive charge in motion. The current flow direction is from a positive to negative potential, which is in the opposite direction of electron flow.
Current A movement of electrical charges around a closed path or circuit.
Digital A way of representing a physical quantity by a series of binary numbers. A digital representation can have only specific discrete values.
Digital Multi-Meter(DMM) A piece of test equipment used to measure voltage, current, and resistance in an electronic circuit.
Engineering Notation A floating point system in which numbers are expressed as products consisting of a number greater than one multiplied by an appropriate power of ten that is some multiple of three.
Kirchoff's Current Law (KCL) The algebraic sum of all currents into and out of any branch point in a circuit must equal zero.
Kirchoff's Voltage Law (KVL) The algebraic sum of all voltages around any closed path must equal zero.
LED Light-emitting diode. An electronic device that conducts current in one direction only and illuminates when it is conducting.
Ohm Unit of resistance. Value of one ohm allow current of one ampere with potential difference of one volt.
Ohm's law In electric circuits, I=V/R.
Parallel Circuit One that has two or more branches for separate current from one voltage source.
Resistance Opposition to current. Unit is the ohm.
Resistor Color Code Coding system of colored stripes on a resistor to indicate the resistor's value and tolerance.
Scientific Notation Numbers entered as a number from on eta ten multiplied by a power of ten.
Series Circuit One that has only one path current.
SI Notation Abbreviation of System International, a system of practical units based of the meter, kilogram, second, ampere, Kelvin, mole, and candela.
Solder Metallic alloy of tin and lead that is used to join two metal surfaces.
Soldering Process of joining two metallic surfaces. to make and electrical contact by melting solder across them.
Soldering Iron Tool with an internal heating element used to heat surfaces being soldered to the point where the solder becomes molten.
Created by: 368370

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