About 1,560,000 results
Open links in new tab
  1. Electrical resistance and conductance - Wikipedia

    The electrical resistance of an object is a measure of its opposition to the flow of electric current. Its reciprocal quantity is electrical conductance, measuring the ease with which an electric current passes.

  2. Electrical Resistance: What is it? (Symbol, Formula, AC vs DC ...

    Jul 11, 2021 · Resistance (also known as ohmic resistance or electrical resistance) is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the …

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

    Nov 28, 2025 · 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 …

  4. What is Resistance? | Fluke

    Resistance is a measure of the opposition to the flow of current in an electrical circuit. It is influenced by the material's properties, length, cross-sectional area, and temperature. Electrical resistance is …

  5. Electrical Resistance - GeeksforGeeks

    Jul 23, 2025 · The property of an electrical conductor to oppose (resist) the flow of electric current is known as electrical resistance. All materials have their own electrical resistance.

  6. Physics Tutorial: Electrical Resistance

    Electrical resistance is the hindrance to the flow of charge through an electric circuit. The amount of resistance in a wire depends upon the material the wire is made of, the length of the wire, and the …

  7. Electrical Resistance Definition | Unit | Formula

    The article provides an overview of electrical resistance, covering its definition, unit, and factors affecting it, such as conductor length, cross-sectional area, and material composition.

  8. What is electrical resistance? – Electricity – Magnetism

    Jun 11, 2023 · Electrical resistance is a fundamental property of materials that quantifies the opposition to the flow of electric current. It is a crucial concept in the study of electricity and electronics, affecting …

  9. Electrical Resistance: Step-by-Step Calculations, Formulas

    Sep 27, 2025 · Master electrical resistance with step-by-step calculations, Ohm's Law applications, and practical examples. Learn how resistance affects current flow, power dissipation, and circuit design.

  10. Resistance and Resistivity - HyperPhysics

    Whether or not a material obeys Ohm's law, its resistance can be described in terms of its bulk resistivity. The resistivity, and thus the resistance, is temperature dependent. Over sizable ranges of …