electrical resistance; resistor
Meanings
2 senses · 6 examplesnoun
electrical resistance; the opposition to the flow of electric current
neutralA fundamental concept in physics and electronics. Measured in ohms (Ω). Its value depends on the material, length, cross-sectional area, and temperature of the conductor.
Copper has very low resistance and is a good conductor.
Calculating the resistance of a conductor in a circuit requires knowing its length and cross-sectional area.
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This component has a resistance of 100 ohms.
noun
resistor; an electronic component designed to have a specific resistance
neutralA common two-terminal passive component found in virtually all electronic circuits. It is used to limit current, divide voltage, and adjust signal levels.
I need a resistor with a value of 1 kilo-ohm to repair this circuit board.
Look, this orange-orange-brown color band indicates a 330 ohm resistor.
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Engineers select resistors with appropriate power ratings based on the circuit design.