+The **ohm** is the [SI unit](/wiki/si-unit) of [electrical resistance](/wiki/electrical-resistance), symbolized by the Greek letter omega (Ω). Named after Georg Simon Ohm, it quantifies how strongly an object opposes the flow of [electric current](/wiki/electric-current).
+## See also
+- [Ohm's Law](/wiki/ohms-law)
+- [Resistor](/wiki/resistor)
+- [Voltage](/wiki/voltage)
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