Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. 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. 5. 8. 51. none of above. 5. 8. 51. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. super die-electrics. ferroelectric materials. elastomers. hard die-electrics. super die-electrics. ferroelectric materials. elastomers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? 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. Atomic number. ANSWER DOWNLOAD EXAMIANS APP
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