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Various resistor types of different shapes and sizes. A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses.
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages , bias active elements, and terminate transmission lines , among other uses.
Resistance wire is wire intended for making electrical resistors (which are used to control the amount of current in a circuit). [1] It is better if the alloy used has a high resistivity , since a shorter wire can then be used.
A mnemonic which includes color name(s) generally reduces the chances of confusing black and brown. Some mnemonics that are easy to remember: Big Boys Race Our Young Girls But Violet Generally Wins.
Also called chordal or DC resistance This corresponds to the usual definition of resistance; the voltage divided by the current R s t a t i c = V I. {\displaystyle R_{\mathrm {static} }={V \over I}.} It is the slope of the line (chord) from the origin through the point on the curve. Static resistance determines the power dissipation in an electrical component. Points on the current–voltage ...
A wire can be represented as a low-value resistor. Current sources are often used when representing semiconductors . For example, on a first degree of approximation, a bipolar transistor may be represented by a variable current source controlled by the input current.
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. These symbols are largely standardized internationally today, but may vary from country to country, or engineering ...
hot wire barretter A current dependent resistor formed of a fine wire in an envelope, useful for regulating current. humidistat A switch that operates automatically on detecting a change in moisture content of the air. HVAC High Voltage Alternating Current; depending on context, this could be hundreds or hundreds of thousands of volts.
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