Definition of ohm in English:

ohm

Line breaks: ohm
Pronunciation: /əʊm
 
/

noun

The SI unit of electrical resistance, transmitting a current of one ampere when subjected to a potential difference of one volt. (Symbol: Ω)
More example sentences
  • Both antennas feature linear polarization, an impedance of 50 ohms and maximum input power at 10 watts.
  • It is important for the termination to be precisely 50 ohms for the bridge to function properly on 50-ohm communication systems.
  • If you use a resistor less than 100 ohms you'll know it because it will get hot.

Origin

mid 19th century: named after G. S. Ohm (see Ohm, Georg Simon).

Derivatives

ohmic

adjective
More example sentences
  • Bilayers of Ni / Au and Al / Ti were deposited by e-beam evaporation as p- and n-type ohmic contacts for current injection.
  • The exposed backside is recessed at the central gate location to define the current path which connects the source and drain ohmic contacts.
  • We believe this activation is probably an ohmic phenomenon like an instantaneous I-V relation.

ohmically

adverb

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