Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Friction and wear. Crystal growth. Low temperature. High temperature. Friction and wear. Crystal growth. Low temperature. High temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Atomic number. Column number on periodic table. Row number on periodic table. Atomic mass. Atomic number. Column number on periodic table. Row number on periodic table. Atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE All ions of an element have the same atomic number. number of electrons. number of protons. both option A. and C. atomic number. number of electrons. number of protons. both option A. and C. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Sulphur. Carbon. Oxygen. Nitrogen. Sulphur. Carbon. Oxygen. Nitrogen. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS