5 TermsHome > Terms > English, UK (UE) > Impedance
Impedance
(1) In electronics, the amount of opposition a circuit presents to an AC (alternating current) signal at a given frequency. Impedance includes both a resistive (frequency-independent) and a reactive (frequency-dependent) component. (2) In acoustics, the ratio of average sound pressure to particle velocity over a given surface area and at a given frequency.
This is auto-generated content. You can help to improve it.
0
0
Improve it
Other Languages:
Member comments
Terms in the News
Featured Terms
Palomar knot
An easy to tie knot that is exceptionally strong, and very popular with bass fishing pros for tying on jigs and worm hooks. It's somewhat awkward to ...
Contributor
Featured blossaries
Browers Terms By Category
- Material physics(1710)
- Metallurgy(891)
- Corrosion engineering(646)
- Magnetics(82)
- Impact testing(1)
Materials science(3330) Terms
- Ceramics(605)
- Fine art(254)
- Sculpture(239)
- Modern art(176)
- Oil painting(114)
- Beadwork(40)
Arts & crafts(1468) Terms
- Christmas(52)
- Easter(33)
- Spring festival(22)
- Thanksgiving(15)
- Spanish festivals(11)
- Halloween(3)
Festivals(140) Terms
- Organic chemistry(2762)
- Toxicology(1415)
- General chemistry(1367)
- Inorganic chemistry(1014)
- Atmospheric chemistry(558)
- Analytical chemistry(530)
Chemistry(8305) Terms
- Physical geography(2496)
- Geography(671)
- Cities & towns(554)
- Countries & Territories(515)
- Capitals(283)
- Human geography(103)