Engineering Materials in EE Why diamond is very hard ? Because of high melting point 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of protons and neutrons. protons. electrons. electrons and protons. protons and neutrons. protons. electrons. electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. conversion temperature. inversion temperature. critical temperature. curie temperature. conversion temperature. inversion temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 11 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. atomic number. numbers of protons. numbers of electrons. numbers of neutrons. atomic number. numbers of protons. numbers of electrons. ANSWER DOWNLOAD EXAMIANS APP