How Resistor Function

A resistor is a little package of resistance. The resistor is a component that resists current.

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Resistors are usually made of metal or carbon wire.

How resistor function. When the power isnt exceeded it serves as a resistor limiting current. 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. If you add a resistor in series with a circuit the current in the circuit will be lower than without the resistor.

Ohms was able to discover a definite relationship between voltage current and resistance. On the other hand the metal portion of a light bulb is a type of resistor that does emit light. As the circuit works resistors dissipate heat which is not used.

In this way a fusible resistor serves dual functions. Download basic electronic components pdf a mini ebook with examples that will teach you how the basic components of electronics work. German physicist sir gs.

From the outside all resistors look more or less the same. They are designed to keep a constant value when in use and produce heat instead of light when used inside an electrical component. Basically the function of a resistor is always to oppose the flow of current through it and the strength of this opposition is termed as its resistance.

A resistor is a passive two terminal electrical component that implements electrical resistance as a circuit element. When the power rating is exceeded it functions as a fuse burning up and becoming an open in the circuit to protect components in the circuit from excess current. As you can see in the top photo on this page a resistor is a short worm like component with colored stripes on the side.

Wire it into a circuit and you reduce the current by a precise amount.

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