Basic Electricity

alternating current alternating e.m.f. ampere applied atoms axes axis calculated capacity carrying a current Chapter charge Q charged particles closed path closed surface coil complex numbers components condenser conductors constant coulomb curl current element current flowing defined dielectric direction discussed distance effect electric charge electric field electric flux electromagnetic electrons electrostatic force expression factor farad ferromagnetic field due flux density flux leaving frequency Gauss's law give given I₁ impedance induced e.m.f. internal self-inductance ions line integral magnetic field magnetic flux magnetic moment magnitude material Maxwell's equation measured metal metre microhenries moving charges mutual inductance negative number of turns obtained parallel perpendicular plane positive potential difference proportional quantity R₁ radius rate of change resistance resonant circuit right-angles rotating round scalar product self-inductance solenoid source-charge sphere straight wire test-charge transformer unit length V₁ vector product velocity voltage x-component zero μο ду