Engineering Materials in EE Dielectric constant for vacuum is infinity. 1. 0. 100. infinity. 1. 0. 100. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. pure iron. aluminium. copper. lead. pure iron. aluminium. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 4. 7. 2. 12. 4. 7. 2. 12. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. 0. Less than 1 1. none of these. 0. Less than 1 1. ANSWER DOWNLOAD EXAMIANS APP