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Fixed Resistors Research Paper

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Fixed resistors are the most frequently used resistors in the electronic circuits. These resistors have the fixed resistance value. Hence, it is not possible to vary the resistance of the fixed resistor. Resistance definition The process of restricting the flow of electric current to certain level is called resistance. The device or component used to restrict the flow of electric current to certain level is called resistor. The device, which only restricts the flow of electric current to certain level but does not vary or control the flow of electric current is called fixed resistor. Fixed resistor definition Fixed resistors are the resistors whose resistance does not change with the change in voltage or temperature. Fixed resistors are available in various shapes and sizes. An ideal fixed resistor provides a constant resistance under all environments. However, the resistance of the practical resistors …show more content…

The rate at which the resistance of the material changes with increase in temperature is called TCR. Metal oxide film resistor The metal oxide film resistor is a type of passive component in which metal oxide film is used as the resistive element to restrict the flow of electric current to certain level. The construction of metal oxide film resistor is almost similar to the metal film resistor. The only difference is the material used for constructing the film. In metal film resistor, the film is constructed by using the metals such as nickel chromium whereas in metal oxide film resistors, the film is constructed by using the metal oxide such as tin oxide. The cost of metal oxide film resistor is low compared to the carbon composition resistor. These resistors operate at high temperatures. Metal glaze resistor The metal glaze resistor is a type of passive component in which glass powder and metal particles mixture is used to restrict the flow of electric current to certain

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