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ADEKOYA

Physics

ELECTRONICS

Post Views: 4 Conductors, insulators and semi-conductors i) An insulatoris a material or object which resists flow of heat (thermal insulator) or electrical charges (electrical insulators). Examples are paraffin, wood,… Read More »ELECTRONICS

Physics

RADIOACTIVITY

Post Views: 6 Introduction Radioactivity was discovered by Henri Becquerel in 1869. In 1898, Marie and Pierre Curie succeeded in chemically isolating two radioactive elements, Polonium (z=84) and Radium (z=… Read More »RADIOACTIVITY