Definitions for Resistorrɪˈzɪs tər

This page provides all possible meanings and translations of the word Resistor

Random House Webster's College Dictionary

re•sis•torrɪˈzɪs tər(n.)

  1. a device designed to introduce resistance into an electric circuit.

    Category: Electricity and Magnetism, Electronics

Origin of resistor:

1900–05

Princeton's WordNet

  1. resistor, resistance(noun)

    an electrical device that resists the flow of electrical current

Wiktionary

  1. resistor(Noun)

    One who resists, especially a person who fights against an occupying army.

  2. resistor(Noun)

    An electric component that transmits current in direct proportion to the voltage across it.

Freebase

  1. Resistor

    A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. The current through a resistor is in direct proportion to the voltage across the resistor's terminals. This relationship is represented by Ohm's law: where I is the current through the conductor in units of amperes, V is the potential difference measured across the conductor in units of volts, and R is the resistance of the conductor in units of ohms. The ratio of the voltage applied across a resistor's terminals to the intensity of current in the circuit is called its resistance, and this can be assumed to be a constant for ordinary resistors working within their ratings. Resistors are common elements of electrical networks and electronic circuits and are ubiquitous in electronic equipment. Practical resistors can be made of various compounds and films, as well as resistance wire. Resistors are also implemented within integrated circuits, particularly analog devices, and can also be integrated into hybrid and printed circuits. The electrical functionality of a resistor is specified by its resistance: common commercial resistors are manufactured over a range of more than nine orders of magnitude. When specifying that resistance in an electronic design, the required precision of the resistance may require attention to the manufacturing tolerance of the chosen resistor, according to its specific application. The temperature coefficient of the resistance may also be of concern in some precision applications. Practical resistors are also specified as having a maximum power rating which must exceed the anticipated power dissipation of that resistor in a particular circuit: this is mainly of concern in power electronics applications. Resistors with higher power ratings are physically larger and may require heat sinks. In a high-voltage circuit, attention must sometimes be paid to the rated maximum working voltage of the resistor.

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