## ASTM Standards relating to magnetic properties |

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60 cycles a-c magnetizing a-c permeability accuracy adjusted air flux Alternating Current ammeter ampere-turns amperes Apparatus ASTM balance calculated calibrating cent centimeter component core loss cycles per sec d-c power demagnetization desired direct current Electrical Steel equation exciting current ferromagnetic flat-rolled flux voltmeter galvanometer gausses Helmholtz Coil hysteresis impedance inch incremental indication intrinsic induction kilogausses laminations loop magnetic circuit magnetic induction magnetic material Magnetic Testing magnetizing current magnetizing force magnetomotive force maximum measured meter Methods A 34 Methods of Test mutual inductor netic netizing force number of turns oersteds ohms path length peak value Permeameter pickup coil position for switch power source procedure range ratio resistance resistor rms exciting secondary winding shield silicon sinusoidal solenoid strips test coil test frame test induction test lot test point test speci test specimen test winding tion variable transformer volt-amperes voltage divider volts wattmeter watts wave form width zero