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      • resistance, in electricity, property of an electric circuit or part of a circuit that transforms electric energy into heat energy in opposing electric current. Resistance involves collisions of the current-carrying charged particles with fixed particles that make up the structure of the conductors.
      www.britannica.com › technology › resistance-electronics

      Resistance | Ohm’s Law, Voltage, Current | Britannica

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  3. www.thephysicspoint.com › what-is-resistance-inWhat is Resistance in Physics | Definition, Formula and Unit

    Jun 15, 2024 · What is Resistance in Physics - The amount of opposition an object applies to the flow of electric current is called its resistance.

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  5. www.britannica.com › science › Ohms-lawOhm’s law | Physics, Electric Current, Voltage | Britannica

    6 days ago · The quotient V/I for a given piece of material is called its resistance, R, measured in units named ohms. The resistance of materials for which Ohm’s law is valid does not change over enormous ranges of voltage and current. Ohm’s law may be expressed mathematically as V/I = R.

    • The Editors of Encyclopaedia Britannica

  6. electronics.stackexchange.com › questions › 714595impedance - Resistance Vs Reactance Definition - Electrical ...

    May 27, 2024 · Both resistance and reactance are forms of impedance, in that they impede the flow of current. However, a major difference between resistance and reactance relates to power and energy. (Power is the rate at which energy is transformed.) Resistance causes power to be dissipated as heat.

  7. www.britannica.com › science › mass-physicsMass | Definition, Units, & Facts | Britannica

    Jun 11, 2024 · Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. Mass is measured in units of kilograms.

    • The Editors of Encyclopaedia Britannica

  8. www.thephysicspoint.com › what-is-conductivityWhat is Conductivity? Definition, Formula, Symbol and Unit

    Jun 4, 2024 · Resistance is the ability to oppose the electric current in any wire. We can say that resistivity is a property of the material that opposes the following electric current. And this property of the buyer or conductor is known as resistivity.

  9. en.wikipedia.org › wiki › Electrical_resistivity_andElectrical resistivity and conductivity - Wikipedia

    Jun 14, 2024 · Electrical resistivity (also called volume resistivity or specific electrical resistance) is a fundamental specific property of a material that measures its electrical resistance or how strongly it resists electric current. A low resistivity indicates a material that readily allows electric current.

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