An electron moves along the z-axis with vz=3. 0×107m/svz=3. 0×107m/s. As it passes the origin, what are the strength and direction of the magnetic field at the following (xx, yy, zz) positions?.

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.