A basic subatomic particle found in all atoms, they carry electricity by flowing from one atom to the next in a conductive material.
Electrons
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These are used to connect active components and to modify signals.
Passive Components
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An electrical component that transfers electrical energy using inductive coupling between two winding circuits.
Transformer
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A type of current that only flows in one direction (unlike AC which periodically reverses direction).
Direct current (DC)
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The interaction between magnetic fields and electric currents.
Electromagnetism
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This occurs when the battery's negative terminal is connected to the anode, and the positive terminal to the cathode. In this case, the diode acts as an insulators, and does not allow the current to flow
Reverse Polarization
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An electric current that reverses direction on a periodic basis. It is widely used to transport power on power lines
Alternating current (AC)
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A basic passive electrical component that resists changes in electric current. They are generally made by winding or coiling a wire, sometimes around a magnetic core. The unit of measure is the Henry.
Inductors
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The standard unit of measure for electric potential (voltage).
Volt
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It is the flow of electric charge through a material. The standard unit is the ampere.