My luminous wall by Sage Gilbert https://padlet.com/scgilbert22/bi9cq68ns934 Made with fortitude en-us 2019-02-14 14:35:21 UTC 2025-10-08 08:08:36 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Lovecoffee.png alternating current scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331304464 an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies]]> 2019-02-14 14:35:43 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331304464 american wire gauge system scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331304977 also known as the Brown & Sharpe wire gauge, is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of round, solid, nonferrous, electrically conducting wire. Dimensions of the wires are given in ASTM standard B 258.]]> 2019-02-14 14:36:30 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331304977 ammeter scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305204 an instrument for measuring electric current in amperes.]]> 2019-02-14 14:36:51 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305204 atom scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305469 An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. ]]> 2019-02-14 14:37:13 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305469 battery scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305693 An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, ]]> 2019-02-14 14:37:31 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305693 capacitor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305996  passive two-terminal electronic component that stores electrical energy in an electric field. The effect of a capacitor is known as capacitance.]]> 2019-02-14 14:37:56 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331305996 cell scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331306580 Cell is a peer-reviewed scientific journal publishing research papers across a broad range of disciplines within the life science]]> 2019-02-14 14:38:42 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331306580 circuit board scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331307272 A printed circuit board mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate]]> 2019-02-14 14:39:38 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331307272 compact fluorescent lamp scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331307705 also called compact fluorescent light, energy-saving light, and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb]]> 2019-02-14 14:40:11 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331307705 conductor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331308086 a person in charge of a train, streetcar, or other public conveyance, who collects fares and sells tickets.]]> 2019-02-14 14:40:41 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331308086 continuity tester scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331308366 A digital multimeter's Continuity Test mode can be used to test switches, fuses, electrical connections, conductors and other components.]]> 2019-02-14 14:41:03 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331308366 coulomb scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331308880 the SI unit of electric charge, equal to the quantity of electricity conveyed in one second by a current of one ampere.]]> 2019-02-14 14:41:37 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331308880 current scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309179 is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionised gas]]> 2019-02-14 14:42:04 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309179 diode scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309365 a semiconductor device with two terminals, typically allowing the flow of current in one direction only.]]> 2019-02-14 14:42:21 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309365 direct current scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309580 an electric current flowing in one direction only.]]> 2019-02-14 14:42:40 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309580 electrical engineering scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309930 Electrical engineering is one of the newer branches of engineering, and dates back to the late 19th century. It is the branch of engineering that deals with the technology of electricity]]> 2019-02-14 14:43:11 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331309930 electricity scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331310049 a form of energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current.]]> 2019-02-14 14:43:21 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331310049 electron scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331310277 a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.]]> 2019-02-14 14:43:41 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331310277 fluorescent lamp scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331310544 is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescenceto produce visible light.]]> 2019-02-14 14:44:07 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331310544 gas discharge lamp scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331311304 Gas discharge lamps are a family of artificial light sources (or lamps). These lamps produce light by sending electricity through an ionized gas.]]> 2019-02-14 14:45:07 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331311304 generator scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/331311749 In electricity generation, a generator is a device that converts motive power into electrical power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines and even hand cranks.\]]> 2019-02-14 14:45:42 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/331311749 ion scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333192171 an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.]]> 2019-02-20 14:40:13 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333192171 law of conservation of energy scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333192632 the total energy of an isolated system remains constant; it is said to be conserved over time.]]> 2019-02-20 14:40:54 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333192632 light-emitting diode (LED) scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333192870 A light-emitting diode is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. This effect is called electroluminescence.]]> 2019-02-20 14:41:19 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333192870 lamp scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333193166 a device for giving light, either one consisting of an electric bulb together with its holder and shade or cover, or one burning gas or a liquid fuel and consisting of a wick or mantle and a glass shade.]]> 2019-02-20 14:41:49 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333193166 motor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333193467 1.
a machine, especially one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device with moving parts.
]]> 2019-02-20 14:42:23 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333193467 neutron scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194068 a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

]]> 2019-02-20 14:43:19 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194068 ohm scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194390 2019-02-20 14:43:51 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194390 ohmmeter scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194825 An ohmmeter is an electrical instrument that measures electrical resistance, the opposition to an electric current. Micro-ohmmeters make low resistance measurements. Megohmmeters measure large values of resistance. The unit of measurement for resistance is ohms. ]]> 2019-02-20 14:44:38 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194825 Ohm’s law scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194976 the current through a conductor between two points is directly proportional to the voltage across the two points.]]> 2019-02-20 14:44:52 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333194976 oscilloscope scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195248 a laboratory instrument commonly used to display and analyze the waveform of electronic signals.]]> 2019-02-20 14:45:19 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195248 parallel circuits scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195484 A parallel circuit has two or more paths for current to flow through. Voltage is the same across each component of the parallel circuit. The sum of the currents through each path is equal to the total current that flows from the source]]> 2019-02-20 14:45:48 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195484 polarity scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195710 the property of having poles or being polar.]]> 2019-02-20 14:46:11 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195710 power scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195902 the ability to do something or act in a particular way, especially as a faculty or quality.]]> 2019-02-20 14:46:32 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333195902 primary cell scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196231 an electric cell that produces current by an irreversible chemical reaction.]]> 2019-02-20 14:47:07 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196231 proton scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196407 a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.]]> 2019-02-20 14:47:25 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196407 resistance scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196616 the refusal to accept or comply with something; the attempt to prevent something by action or argument.]]> 2019-02-20 14:47:45 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196616 resistor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196846 a device having a designed resistance to the passage of an electric current.]]> 2019-02-20 14:48:06 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/333196846 schematic diagram scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334145123 a representation of the elements of a system using abstract, graphic symbols rather than realistic pictures.]]> 2019-02-22 14:37:00 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334145123 schematic symbol An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334145686 2019-02-22 14:38:00 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334145686 secondary cell scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146055 A rechargeable battery, storage battery, secondary cell, or accumulator is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.]]> 2019-02-22 14:38:30 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146055 semiconductor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146251 a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects. Devices made of semiconductors, notably silicon, are essential components of most electronic circuits.]]> 2019-02-22 14:38:51 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146251 sensor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146477 a device which detects or measures a physical property and records, indicates, or otherwise responds to it.]]> 2019-02-22 14:39:13 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146477 series circuit scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146623 A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. The current is the same through each resistor.]]> 2019-02-22 14:39:26 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146623 series-parallel combination circuit scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146855 A combination circuit is one that has a "combination" of series and parallel paths for the electricity to flow. Its properties are a combination of the two.]]> 2019-02-22 14:39:49 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334146855 solar cell scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334147139 SolarWall is the brand name of a transpired collector designed and manufactured by the Toronto, Canada based company Conserval Engineering.]]> 2019-02-22 14:40:17 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334147139 solderless breadboard A breadboard is a construction base for prototyping of electronics. ... In the 1970s the solderless breadboard ( a.k.a. plugboard, a terminal array board) became available and nowadays the term "breadboard" is commonly used to refer to these. Because the solderless breadboard does not require soldering, it is reusable. scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334147612 2019-02-22 14:41:06 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334147612 static electricity scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334148413 a stationary electric charge, typically produced by friction, which causes sparks or crackling or the attraction of dust or hair.]]> 2019-02-22 14:42:23 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334148413 switch scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334148561 a device for making and breaking the connection in an electric circuit]]> 2019-02-22 14:42:38 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334148561 transistor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334148931 a semiconductor device with three connections, capable of amplification in addition to rectification.]]> 2019-02-22 14:43:14 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334148931 troubleshoot scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149326 solve serious problems for a company or other organization.]]> 2019-02-22 14:43:36 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149326 valence shell scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149496 The valence shell is the outermost shell of an atom in its uncombined state, which contains the electrons most likely to account for the nature of any reactions involving the atom and of the bonding interactions it has with other atoms.]]> 2019-02-22 14:43:52 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149496 variable resistor scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149777 A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.]]> 2019-02-22 14:44:19 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149777 volt scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149863 the SI unit of electromotive force, the difference of potential that would drive one ampere of current against one ohm resistance.]]> 2019-02-22 14:44:29 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334149863 voltage scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150162 an electromotive force or potential difference expressed in volts.]]> 2019-02-22 14:44:58 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150162 voltmeter v scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150321 A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter.]]> 2019-02-22 14:45:15 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150321 volt-ohm-milliammeter (VOM) scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150491 A multimeter or a multitester, also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter can measure voltage, current, and resistance. Analog multimeters use a microammeter with a moving pointer to display readings.


]]> 2019-02-22 14:45:31 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150491 watt scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150670 the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere.]]> 2019-02-22 14:45:52 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150670 watt's law scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150859 Watt's Law states that: Power (in Watts) = Voltage (in Volts) x Current (in Amps) P = V I Combining with Ohm's law we get two other useful forms: P = V*V / R and P = I*I*R Power is a measurement of the amount of work that can be done with the circuit, such as turning a motor or lighiting a light bulb.]]> 2019-02-22 14:46:10 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334150859 zener diode scgilbert22 https://padlet.com/scgilbert22/bi9cq68ns934/wish/334151002
  • a form of semiconductor diode in which at a critical reverse voltage a large reverse current can flow.


    • ]]>     2019-02-22 14:46:26 UTC https://padlet.com/scgilbert22/bi9cq68ns934/wish/334151002