Q. Earth's atmosphere, the electric field above Earth's surface has been measured to be 150 N/C downward at an altitude of 250 m and 165 N/C downward at the altitude of 400 m. compute the volume charge density of the atmosphere.
Q. A dipole with dipole moment 1.60 is oriented at 31 to a 5 electric field. What is the magnitude of the torque on dipole?