Engineering Materials in EE Materials which lack permanent magnetic dipoles are called dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. Motors. All of these. Generators. Hoist. Motors. All of these. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different atomic number. numbers of neutrons. numbers of electrons. numbers of protons. atomic number. numbers of neutrons. numbers of electrons. numbers of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of covalent solid None of these Because of large cohesive energy Because of high melting point Because of covalent solid None of these Because of large cohesive energy Because of high melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as ferromagnetic. paramagnetic. bipolar. diamagnetic. ferromagnetic. paramagnetic. bipolar. diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP