Define resistance of material and its SI unit
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Explanation:
To calculate the resistance R of a wire, we need to know three things: its length – the longer the wire, the greater its resistance. its cross-sectional area A – the greater the area, the less its resistance. the resistivity of the material r – the greater the resistivity, the greater its resistance
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The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
Unit system: SI derived unit
Unit of: Electrical resistance
Named after: Georg Ohm
Symbol: Ω
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Answer:
oppose to the flow of current is called resistance. sI unit is ohm
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