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Currently Watching: Latest videos by electroninstructor

	Electrical Switches, Part 1, Introduction - Basic Switches Posted by: electroninstructor Video duration: 403 seconds This video introduces the principles and terminology of mechanical electrical switches. It covers terms such as contacts, normally open, normally closed, poles, and throws. Related: electrical, switches

Electricity and Matter Part 1 - Attraction and Repulsion
Posted by: electroninstructor

Video duration: 208 seconds

This presentation shows how contact between different materials can result in attraction or repulsion. Experimental results are discussed that led to Ben Franklin's one fluid theory of electricity. It explains how clues were found from rubbing different materials together.

Related: attraction, electricity, repulsion, static

	Introduction to Breadboard (Protoboards), Part 1 of 2 Posted by: electroninstructor Video duration: 488 seconds This video introduces the breadboard, also called a protoboard, used to build electronic circuits without soldering. The first part of this presentation describes the features of a breadboard. Related: breadboard, electronic, protoboard, prototyping

	Resistor Color Codes Posted by: electroninstructor Video duration: 595 seconds This video describes Resistor Color Codes and how to read them. It relates Resistor Color Codes to scientific numbers and engineering notation. Related: codes, color, engineering, notation, numbers, resistor, scientific

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Ohm's Law Part 1: Units and Quantities
Posted by: electroninstructor

Video duration: 571 seconds

This video introduces the basic electrical quantities of charge, current, voltage, and resistance. The concept of quantities and units is explained. The units of Coulombs, Volts, Amperes, and Ohms are described. The three basic formulas of Ohm's Law (E=IR, I=E/R and R=E/I) are introduced.

Related: amperes, current, law, ohms, ohms, quantities, resistance, units, voltage, volts

Multimeters - Hands-On Lab, Part 1, Measuring Current
Posted by: electroninstructor

Video duration: 601 seconds

This video is part 1 or of a 4-part series of video guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure current, voltage, and resistance. This video guides the student through the proper techniques for measuring current with a multimeter.

Related: current, measure, multimeter

Multimeters - Hands-On Lab, Part 2, Measuring Voltage
Posted by: electroninstructor

Video duration: 322 seconds

This video is part 2 or of a 4-part series of video guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure current, voltage, and resistance. This video guides the student through the proper techniques for measuring voltage with a multimeter.

Related: measure, multimeter, voltage

	Electricity and Matter Part 2 - Electricity as a Fluid Posted by: electroninstructor Video duration: 232 seconds This presentation illustrates the one fluid theory of charge first described by Benjamin Franklin. Also explains conventional versus electron current flow. Related: ben, conventional, current, electricity, electron, flow, fluid, franklin, one, theory

	Electrical Wires Posted by: electroninstructor Video duration: 436 seconds This video is about electrical wires. It describes common types, configurations of wire, and wire terminology. It explain the gauge system of rating wire size (diameter), circular mils, current capacity, and others. Related: circular, electric, electrical, gauge, mil, wire, wireing, wires

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Ohm's Law Part 2: Ohm's Law Applied to Simple Circuits
Posted by: electroninstructor

Video duration: 275 seconds

This video demonstrates the use of Ohm's Law to calculate current, voltage, and resistance in a simple circuit.
Note: I plan to redo this video with better graphics for circuit problems, it is hard to see the numbers on the low resolution versions like on Youtube.

Related: amperes, current, law, ohms, ohms, resistance, voltage, volts

	Voltage and Current, Part 1 Posted by: electroninstructor Video duration: 444 seconds This video describes voltage, the potential difference or "pressure" that pushes electric charges through conductors. Related: current, difference, potential, voltage

	Voltage Sources, Part 1, Friction Posted by: electroninstructor Video duration: 98 seconds This is a recording of a class lecture on Voltage Sources. This part describes how mechanical friction can generate voltages. Related: electricity, friction, static

Electricity and Matter Part 4 - Atoms and Elements
Posted by: electroninstructor

Video duration: 392 seconds

This presentation shows how the elements are the building blocks of all matter. It describes the atoms, bonds between atoms, molecules, atomic number, atomic mass (weight), isotopes, atomic excitation and ionization.

Related: atomic, atoms, elements, excitation, ionization, isotope, mass, molecule, number, weight

Multimeters - Hands-On Lab, Part 3, Measuring Resistance (A)
Posted by: electroninstructor

Video duration: 387 seconds

This video is part 3 or of a 4-part series of video guided hands-on laboratory activity to help a student understand the proper and safe use of a multimeter to measure current, voltage, and resistance. This video guides the student through the proper techniques for measuring resistance with a multimeter.

Related: measure, multimeter, resistance

	Voltage Sources, Part 2, Current Sources-A Posted by: electroninstructor Video duration: 485 seconds This is a recording of a class lecture on Voltage Sources. This part describes how current can be generated using magnetism and from the energy of light. Related: cells, current, electric, light, magnetism, photovoltaic, solar