Electricity and Magnetism

4περ ampere Ampere's law angle axis calculate called capacitor centre charge density charge distribution charge q circuit coil component conductor constant coul Coulomb's law curl cylinder deflection dielectric dipole direction distance divergence dx dy dz electric field electric potential electromagnetic electrometer electron electrostatics equal equation field due field intensity galvanometer Gauss's law Gaussian surface given grad gradient Hence induced emf inside length line integral lines of force loop magnetic field magnetic flux magnetisation magnitude measured meter metre molecules negative normal parallel particle path permittivity perpendicular physical plane plates point charge polarisation positive potential difference potential due potential energy quantity radius resistance scalar shown in Fig solenoid sphere Stoke's theorem surface integral theorem unit vector vector field velocity voltage volts volume wire x-axis zero Απερ δε ду дх