Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Zinc silicate. Calcium silicate. Zinc sulphide. Magnesium silicate. Zinc silicate. Calcium silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? 1. Less than 1 0. none of these. 1. Less than 1 0. none of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. alternating. pulsating. rotating. / >(A), (B), and (C) are all correct. alternating. pulsating. rotating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? All matter is composed of atoms. Atoms of different elements are quite different. Atoms can combine to form compounds. An atom contains a dense central nucleus. All matter is composed of atoms. Atoms of different elements are quite different. Atoms can combine to form compounds. An atom contains a dense central nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. numbers of electrons. numbers of protons. atomic number. numbers of neutrons. numbers of electrons. numbers of protons. atomic number. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as ferroelectric materials. hard die-electrics. elastomers. super die-electrics. ferroelectric materials. hard die-electrics. elastomers. super die-electrics. ANSWER DOWNLOAD EXAMIANS APP