625 NEIEP questions well answered

625 NEIEP If a fixed amount of current is flowing in the direction shown in Figure 1, which of the following statements is correct when viewed from the end of the wire marked X? A magnetic field will be developed which rotates in a counterclockwise rotation. Which of the following statements is true regarding AC in a purely inductive circuit? Current lags voltage by 90 degrees Which of the following statements describes how an air coil is magnetized ? As current is increased it eventually reaches saturation . Which term describes a materials ability to pass magnetic lines of force ? Permeability Which of the following core materials would be able to create the strongest magnetic field for a given applied voltage ? Permalloy Of the items listed below , which affects the inductance of a coil ? Spacing of the windings