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resistance physics ks3
20/10/2022
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resistance is a measure of how difficult it is for current to flow. Each component has a resistance. Resistanc Phsyics. •Calculation for resistance: resistance = potential difference : current. •When a circuit is connected current flows. - Electrons move through wires and components. As electrons move they collide with ions whien causes resistance (R). S •All wires and components have resistance ways to write it as an equation: resistance = Potential difference R=X current. n-onms. The units of resistance is anms. The units of current is amps.. The units of potential difference is volts.
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