IEC 80000-6:2008
(Main)Quantities and units - Part 6: Electromagnetism
Quantities and units - Part 6: Electromagnetism
In IEC 80000-6:2008, names, symbols, and definitions for quantities and units of electromagnetism are given. Where appropriate, conversion factors are also given. International Standard IEC 80000-6 has been prepared by IEC technical committee 25: Quantities and units, and their letter symbols in close cooperation with ISO/TC 12, Quantities, units, symbols, conversion factors. This first edition of IEC 80000-6 cancels and replaces the second edition of ISO 31-5, published in 1992, and its amendment 1 (1998).
Grandeurs et unités - Partie 6: Electromagnétisme
La CEI 80000-6:2008 donne les noms, symboles et définitions des grandeurs et unités d'électromagnétisme. Les facteurs de conversion sont également donnés, s'il y a lieu. La Norme internationale CEI 80000-6 a été établie par le comité d'études 25 de la CEI, Grandeurs et unités, et leurs symboles littéraux, en coopération étroite avec l'ISO/TC 12, Grandeurs, unités, symboles, facteurs de conversion. Cette première édition de IEC 80000-6 annule et remplace la deuxième édition de ISO 31 5, publiée en1992 et son amendement 1 (1998).
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IEC 80000-6
Edition 1.0 2008-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Quantities and units –
Part 6: Electromagnetism
Grandeurs et unités –
Partie 6: Electromagnétisme
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IEC 80000-6
Edition 1.0 2008-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Quantities and units –
Part 6: Electromagnetism
Grandeurs et unités –
Partie 6: Electromagnétisme
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
W
CODE PRIX
ICS 01.040.29; 17.220.01 ISBN 2-8318-9624-X
– 2 – 80000-6 © IEC:2008
CONTENTS
FOREWORD.3
0 Introduction .5
0.1 Arrangements of the tables .5
0.2 Tables of quantities .5
0.3 Tables of units.5
0.3.1 General .5
0.3.2 Remark on units for quantities of dimension one, or dimensionless
quantities.6
0.4 Numerical statements in this standard .6
0.5 Special remarks .7
0.5.1 System of quantities .7
0.5.2 Sinusoidal quantities .7
1 Scope.9
2 Normative references .9
3 Names, symbols, and definitions .9
Annex A (informative) Units in the Gaussian CGS system with special names .36
Bibliography.37
80000-6 © IEC:2008 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
QUANTITIES AND UNITS –
Part 6: Electromagnetism
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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International Standard IEC 80000-6 has been prepared by IEC technical committee 25:
Quantities and units, and their letter symbols in close cooperation with ISO/TC 12, Quantities,
units, symbols, conversion factors.
This first edition of IEC 80000-6 cancels and replaces the second edition of ISO 31-5,
published in 1992, and its amendment 1 (1998).
The text of this standard is based on the following documents:
FDIS Report on voting
25/370/FDIS 25/376/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
– 4 – 80000-6 © IEC:2008
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IEC 80000 consists of the following parts, under the general title Quantities and units:
– Part 6: Electromagnetism
– Part 13: Information science and technology
– Part 14: Telebiometrics related to human physiology
The following parts are published by ISO:
– Part 1: General
– Part 2: Mathematical signs and symbols to be used in the natural sciences and technology
– Part 3: Space and time
– Part 4: Mechanics
– Part 5: Thermodynamics
– Part 7: Light
– Part 8: Acoustics
– Part 9: Physical chemistry and molecular physics
– Part 10: Atomic and nuclear physics
– Part 11: Characteristic numbers
– Part 12: Solid state physics
80000-6 © IEC:2008 – 5 –
0 Introduction
0.1 Arrangements of the tables
The tables of quantities and units in ISO/IEC 80000 are arranged so that the quantities are
presented on the left-hand pages and the units on the corresponding right-hand pages.
All units between two full lines on the right-hand pages belong to the quantities between the
corresponding full lines on the left-hand pages.
Where the numbering of an item has been changed in the revision of a part of ISO 31, the
number in the preceding edition is shown in parenthesis on the left-hand page under the new
number for the quantity; a dash is used to indicate that the item in question did not appear in
the preceding edition.
0.2 Tables of quantities
The names in English and in French of the most important quantities within the field of this
document are given together with their symbols and, in most cases, their definitions. These
names and symbols are recommendations. The definitions are given for identification of the
quantities in the International System of Quantities (ISQ), listed on the left hand pages of
Table 1; they are not intended to be complete.
The scalar, vectorial or tensorial character of quantities is pointed out, especially when this is
needed for the definitions.
In most cases only one name and only one symbol for the quantity are given; where two or
more names or two or more symbols are given for one quantity and no special distinction is
made, they are on an equal footing. When two types of italic letters exist (for example as with
ϑ and θ; φ and φ; a and a; g and g) only one of these is given. This does not mean that the
other is not equally acceptable. It is recommended that such variants should not be given
different meanings. A symbol within parenthesis implies that it is a reserve symbol, to be used
when, in a particular context, the main symbol is in use with a different meaning.
In this English edition the quantity names in French are printed in an italic font, and are preceded by fr.
The gender of the French name is indicated by (m) for masculine and (f) for feminine, immediately after
the noun in the French name.
0.3 Tables of units
0.3.1 General
The names of units for the corresponding quantities are given together with the international
symbols and the definitions. These unit names are language-dependent, but the symbols are
th
international and the same in all languages. For further information, see the SI Brochure (8
edition 2006) from BIPM and ISO 80000-1 (under preparation).
The units are arranged in the following way:
a) The coherent SI unit
...
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