3.(lO points) Fill in the table by indicating whether each of the terms in the column heading is zero (0) or less than zero (0) for each class of materials. % is the change in the 3N and number of a charge carriers with temperature, is the change in N with defect concentration, %is the change in mobility with T, and _all_ 8p is the change in u with defect concentration. a" M 3N _3L1_ at! 81" and 81" apd Material Class Electron conductor Ionic conductor Semiconductor