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A force, such as friction, that operates opposite the direction of motion of a body and tends to prevent or slow down the body's motion. A measure of the degree to which a substance impedes the flow of electric current induced by a voltage. Resistance is measured in ohms.
Britannica Dictionary definition of RESISTANCE. 1. : refusal to accept something new or different. [noncount] — often + from. She sensed resistance from some of the staff regarding the changes in policy. — often + to. There was a lot of resistance to the plan when it was first suggested. [singular] They have shown a stubborn resistance to change.
Resistance means "refusal to comply with or accept something." An individual person can put up resistance against something she disagrees with or doesn't want to participate in. On a larger scale, groups of people and even whole countries can display resistance, like when the British put up resistance against Napoleon.
Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who studied the relationship between voltage, current and resistance.
Sep 12, 2022 · We now consider the resistance of a wire or component. The resistance is a measure of how difficult it is to pass current through a wire or component. Resistance depends on the resistivity.
Current, resistance, and resistivity review. Review the key terms, equations, and skills related to current, resistance, and resistivity, including how to find the current direction and what resistance depends on.
Mar 13, 2024 · 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.
