The unit of electrical resistance, defined as a unitary voltage/current ratio. The higher the temperature of a substance, the greater the resistance. Resistance depends upon length, area and material used in a wire. A copper wire 0.1 inch diameter and 1,000 ft long has a resistance of l Ohm.
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Ohm --
The unit of electrical resistance, defined as a unitary voltage/current ratio. The higher the temperature of a substance, the greater the resistance. Resistance depends upon length, area and material used in a wire. A copper wire 0.1 inch diameter and 1,000 ft long has a resistance of l Ohm.
