Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magnetostriction. magnetic expansion. magneto-calorisation. magnetic hysteresis. magnetostriction. magnetic expansion. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of protons. atomic number. numbers of electrons. numbers of neutrons. numbers of protons. atomic number. numbers of electrons. numbers of neutrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 4. 12. 2. 7. 4. 12. 2. 7. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A material with unequal anti-parallel atomic magnetic moments is a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. a ferrite. non-magnetic. ferrimagnet. an anti-ferromagnet. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related parabolically. non linearly. linearly. sinusoidally. parabolically. non linearly. linearly. sinusoidally. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in loud speakers. generators. motors. all of above. loud speakers. generators. motors. all of above. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS