EntityQ304054· pop 37· linked from 50 articlescharge conservationSign in to saveconservation lawConnectionselectric chargeEntityconservation lawEntityphysicsEntityBenjamin FranklinEntityMichael FaradayEntityelectronEntityInternational Standard Book NumberEntityprotonEntityneutronEntityphotonEntityampereEntitydigital object identifierEntityparticle physicsEntityneutrinoEntitycoulombEntitypositronEntitysubatomic particleEntityMaxwell's equationsEntityelectromagnetic fieldEntitycapacitanceEntityCategoriesConservation lawsElectromagnetism