• a sign convention is a choice of the physical significance of signs (plus or minus) for a set of quantities, in a case where the choice of sign is arbitrary...
    6 KB (592 words) - 20:06, 27 May 2024
  • Thumbnail for Passive sign convention
    In electrical engineering, the passive sign convention (PSC) is a sign convention or arbitrary standard rule adopted universally by the electrical engineering...
    23 KB (2,787 words) - 16:34, 30 October 2023
  • Thumbnail for Vienna Convention on Road Signs and Signals
    The Convention on Road Signs and Signals, commonly known as the Vienna Convention on Road Signs and Signals, is a multilateral treaty to standardize the...
    21 KB (1,125 words) - 12:11, 7 May 2024
  • Thumbnail for Sign (mathematics)
    Depending on local conventions, zero may be considered as being neither positive nor negative (having no sign or a unique third sign), or it may be considered...
    29 KB (2,774 words) - 10:09, 9 June 2024
  • Thumbnail for Mohr's circle
    engineering mechanics sign convention for the physical space and the alternative sign convention for the Mohr-circle space (sign convention #3 in Figure 5)...
    44 KB (6,591 words) - 07:47, 11 December 2023
  • Thumbnail for Bending moment
    computation of bending moments can be confusing because of unexplained sign conventions and implicit assumptions. The descriptions below use vector mechanics...
    17 KB (3,153 words) - 20:38, 25 February 2024
  • Thumbnail for International vehicle registration code
    as the Distinguishing sign of the State of registration in the Geneva Convention on Road Traffic of 1949 and the Vienna Convention on Road Traffic of 1968...
    45 KB (1,495 words) - 08:15, 10 June 2024
  • The cash flow sign convention is that money you pay out has a minus sign, while money you take in has a plus sign (or no sign). Most financial calculators...
    715 bytes (81 words) - 10:55, 18 February 2021
  • Thumbnail for Electric power
    sources have negative power consumption. This is called the passive sign convention. In the case of resistive (Ohmic, or linear) loads, the power formula...
    17 KB (2,040 words) - 21:11, 24 May 2024
  • gaseous state to form an anion. X(g) + e− → X−(g) + energy This differs by sign from the energy change of electron capture ionization. The electron affinity...
    22 KB (1,468 words) - 00:23, 5 February 2024
  • arbitrary sign of the quantum number match the sign of the particles' electric charges. When following the electric-charge-sign convention, the lepton...
    11 KB (1,119 words) - 11:15, 20 May 2024
  • Thumbnail for Stop sign
    white stop legend. The European Annex to the convention also allows the background to be "light yellow". Sign B2b is a red circle with a red inverted triangle...
    44 KB (4,660 words) - 20:17, 10 May 2024
  • Thumbnail for Isobaric process
    This article uses the physics sign convention for work, where positive work is work done by the system. Using this convention, by the first law of thermodynamics...
    12 KB (1,891 words) - 11:28, 12 May 2024
  • currencies. In those countries where previous convention was to place the currency sign before the figure, the euro sign is placed in the same position (e.g.,...
    15 KB (1,565 words) - 18:00, 20 May 2024
  • Thumbnail for Radius of curvature (optics)
    Radius of curvature (ROC) has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located...
    4 KB (450 words) - 05:32, 13 May 2024
  • Thumbnail for Vienna Convention on Road Traffic
    November 1968. This conference also produced the Convention on Road Signs and Signals. The convention had amendments on 3 September 1993 and 28 March 2006...
    25 KB (1,988 words) - 14:30, 6 March 2024
  • described by the Universal Copyright Convention. The symbol is widely recognized but, under the Berne Convention, is no longer required in most nations...
    14 KB (1,505 words) - 19:49, 18 May 2024
  • Thumbnail for Ampère's circuital law
    that require clarification and a choice of convention. First, three of these terms are associated with sign ambiguities: the line integral ∮C could go...
    31 KB (3,817 words) - 19:22, 2 June 2024
  • Thumbnail for Lens
    ratio of the size of an image compared to the size of the object. The sign convention here dictates that if M is negative, as it is for real images, the...
    59 KB (7,046 words) - 23:04, 10 June 2024
  • two conventions for sign for the electrode potential have formed: convention "Nernst–Lewis–Latimer" (sometimes referred to as "American"), convention...
    7 KB (960 words) - 09:21, 21 March 2024
  • equivalent) sign conventions can be found in the literature. These can be called the "cohomological sign convention" and the "super sign convention". They...
    11 KB (1,687 words) - 07:04, 25 May 2024
  • if concave. Sign conventions vary between different authors, which results in different forms of these equations depending on the convention used. For a...
    18 KB (2,345 words) - 23:10, 5 June 2024
  • Thumbnail for Work (thermodynamics)
    perform work on a thermodynamic system, which is measured by an opposite sign convention. For thermodynamic work, appropriately chosen externally measured quantities...
    45 KB (7,024 words) - 00:53, 3 June 2024
  • Thumbnail for Geneva Convention on Road Traffic
    Road Signs and Signals. There is a European Agreement supplementing the 1949 Convention on Road Traffic, in addition to the 1949 Protocol on Road Signs and...
    19 KB (932 words) - 18:56, 23 January 2024
  • the Condon–Shortley and Wigner sign convention as discussed by Baird and Biedenharn. Tables with the same sign convention may be found in the Particle Data...
    41 KB (871 words) - 01:13, 7 May 2024
  • (closer to thermodynamic equilibrium). The sign convention for free energy change follows the general convention for thermodynamic measurements, in which...
    6 KB (850 words) - 23:12, 10 May 2024
  • {1}{2}}} Once a sign convention has been chosen, it has to be maintained for the whole structure. The traditional engineer's sign convention is not used in...
    23 KB (2,628 words) - 20:35, 25 June 2023
  • Thumbnail for Traffic sign
    signs were first developed in Europe, and have been adopted by most countries to varying degrees. International conventions such as Vienna Convention...
    23 KB (2,355 words) - 04:42, 30 May 2024
  • ^{2}}{\partial y^{2}}}-{\frac {\partial ^{2}}{\partial z^{2}}}~\;} ; the sign convention must be specified. In curved spacetime (or flat spacetime with non-Euclidean...
    73 KB (9,674 words) - 17:19, 1 June 2024
  • Thumbnail for Fresnel equations
    apply!) the sign of r is reversed depending on whether the wave is considered to be s or p polarized, an artifact of the adopted sign convention (see graph...
    70 KB (8,291 words) - 21:46, 8 May 2024