ohm per square

ohm per square
   a unit of resistivity for surface films and other materials whose thicknesses are considered to be negligible. The resistivity of a very thin conductor is defined to be its resistance (in ohms) multiplied by its width and divided by its length. If the conductor is square in shape, then its length and width are the same and its resistivity is numerically equal to the resistance of the square, which is actually the same no matter what the size of the square is. Therefore the resistivity could be stated in ohms, but it is conventional to state it in "ohms per square." One can consider the square to have sides equal to one unit, the size of the unit being immaterial.

Dictionary of units of measurement. 2015.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • square —    1. (sq)    a traditional unit of area, often used for measuring roofing material, finished lumber, and other building materials. One square equals 100 square feet, 11.111 square yards, or about 9.290 square meters.    2. relative to… …   Dictionary of units of measurement

  • acoustic ohm — noun : ohm * * * Acoustics. the unit of acoustic impedance, equal to the impedance of a medium in which a sound pressure of one dyne per square centimeter produces a velocity of one centimeter per second …   Useful english dictionary

  • acoustic ohm — Acoustics. the unit of acoustic impedance, equal to the impedance of a medium in which a sound pressure of one dyne per square centimeter produces a velocity of one centimeter per second. * * * …   Universalium

  • electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …   Universalium

  • sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …   Universalium

  • Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… …   Universalium

  • electromagnetism — /i lek troh mag ni tiz euhm/, n. 1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents. 2. Also, electromagnetics. the science that deals with these phenomena.… …   Universalium

  • SI derived unit — The International System of Units (SI) specifies a set of seven base units from which all other units of measurement are formed, by products of the powers of base units. These other units are called SI derived units, for example, the SI derived… …   Wikipedia

  • Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors …   Wikipedia

  • Angloamerikanischen Maßsysteme — Die folgenden angloamerikanischen Maßsysteme haben alle ihren Ursprung in älteren englischen Systemen und wurden vor der Einführung des metrischen Systems auch in anderen Commonwealth Staaten verwendet (Imperiales System von 1824). Im 19. und 20 …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”