Document ID: chunk:federal_register_of_legislation:F2024C01009:schedule:1:p2
Version: federal_register_of_legislation:F2024C01009
Segment Type: schedule
Provision Reference: sch 1 (pt 2/4)
Character Range: 105427–109321

of a closed circuit in which an electromotive force of 1 volt is produced when the electric current that traverses the circuit varies uniformly at the rate of 1 ampere per second.
2.11  electric resistance                                                  ohm               The electric resistance between 2 points on a conductor that does not contain any source of electromotive force when a constant potential difference of 1 volt maintained between those points results in a current of 1 ampere in the conductor.
2.12  magnetic flux                                                        weber      Wb      The magnetic flux that, linking a circuit of 1 turn, produces in that circuit an electromotive force of 1 volt if the magnetic flux is reduced to zero at a uniform rate in 1 second.
2.13  magnetic flux density                                                tesla      T       The magnetic flux density that results if a magnetic flux of 1 weber is uniformly distributed over a plane 1 square metre in area, the direction of the magnetic flux density being perpendicular to that plane.
2.14  luminous flux                                                        lumen      lm      The luminous flux emitted into a solid angle of 1 steradian by an isotropic point source having a luminous intensity of 1 candela.
2.15  illuminance                                                          lux        lx      The illuminance produced at the surface of a sphere having a radius of 1 metre by a point source that:
                                                                                              (a) is situated at its centre; and
                                                                                              (b) has a luminous intensity of 1 candela in all directions.
2.16  activity of a radionuclide                                           becquerel  Bq      The activity of a radionuclide that is undergoing 1 transformation per second on average.
2.17  absorbed dose, absorbed dose index, kerma, specific energy imparted  gray       Gy      The absorbed dose, absorbed dose index, kerma or specific energy imparted when 1 joule is imparted to 1 kilogram of irradiated matter
2.18  dose equivalent                                                      sievert    Sv      The sievert is the dose equivalent or dose equivalent index where:
                                                                                              (a) an absorbed dose of ionising radiation equal to 1 gray is delivered to a biological material; and
                                                                                              (b) the conditions under which the dose is delivered satisfy the formula:
                                                                                              Q  N = 1
                                                                                              where:
                                                                                              Q is a factor that is the quality factor representing the effect on the detriment of the microscopic distribution of absorbed energy; and
                                                                                              N is a factor that is the product of all other modifying factors specified by the International Commission on Radiological Protection as at the commencement of these regulations.
2.19  plane angle                                                          radian     rad     The radian is the plane angle between 2 radii of a circle that cut off on the circumference an arc equal in length to the radius.
2.20  solid angle                                                          steradian  sr      The steradian is the solid angle that has its vertex in the centre of a sphere and cuts off an area of the surface of the sphere