문제) An electric field of 300 V/m is confined to a circular area d = 10.0 cm in diameter and directed outward perpendicular to the plane.If the field is increasing at a rate of 20.0 V/m·s, r = 15.0cm (a) Calculate the direction of the magnetic field at point P.(b) Calculate the magnitude of the magnetic field at the point P. 풀이)|E| = 300 V/m, d = 10.0 cm = 0.100 m, r = 15.0 cm = 0.150 mElectric f..
