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A carbon pile resistor is made of a stack of carbon disks compressed between two metal contact plates. Adjusting the clamping pressure changes the resistance between the plates. These resistors are used when an adjustable load is required, such as in testing automotive batteries or radio transmitters.
Resistor based on the sheet resistance of carbon film. Sheet resistance is the resistance of a square piece of a thin material with contacts made to two opposite sides of the square. [1] It is usually a measurement of electrical resistance of thin films that are uniform in thickness.
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.
The manufacturing of thick film devices/modules is an additive process involving deposition of several (typically max 6–8) successive layers of conductive, resistive and dielectric layers onto an electrically insulating substrate using a screen-printing process. [3] Thick Film Resistor Networks
A coloured illustration of a 0.25W (i.e. 0.4" pitch) carbon-film through-hole mount resistor. The value shown is 10K, 5% tolerance. Date: 26 March 2007: Source: Own work (Own Drawing) Author: Inductiveload: Permission (Reusing this file)
Nichrome, a non-magnetic 80/20 alloy of nickel and chromium, is the most common resistance wire for heating purposes because it has a high resistivity and resistance to oxidation at high temperatures, up to 1,400 °C (2,550 °F).