Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on frequency of applied voltage. area of hysteresis loop for the material. intensity of electric field. presence of magnetic materials in the vicinity. frequency of applied voltage. area of hysteresis loop for the material. intensity of electric field. presence of magnetic materials in the vicinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. copper. lead. aluminium. pure iron. copper. lead. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of large cohesive energy None of these Because of covalent solid Because of high melting point Because of large cohesive energy None of these Because of covalent solid Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same both option A. and C. number of electrons. atomic number. number of protons. both option A. and C. number of electrons. atomic number. number of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? none of above. 8. 5. 51. none of above. 8. 5. 51. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. iron. silicon carbide. silicon. ferrites. iron. silicon carbide. silicon. ANSWER DOWNLOAD EXAMIANS APP