What is the physical quantity measured in ohms?
| January 18, 2021 | education
In physics, in the electricity section, measurements of the resistance of wires or devices are expressed in ohms “Ohms”. This value characterizes the electrical properties of a device or conductor. Wire resistance depends on the cross-sectional area, wire length and material (iron, copper, aluminum). 1 ohm is the resistance of such a wire, through which a current of 1 ampere flows at a voltage of 1 volt. Resistance formula:
R = U / I, where: U – voltage, I = current.
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