Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is alternating. / >(A), (B), and (C) are all correct. rotating. pulsating. alternating. / >(A), (B), and (C) are all correct. rotating. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by None of these εo / εr. εr / εo. εoεr. None of these εo / εr. εr / εo. εoεr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel, iron and cobalt. iron, cobalt, nickel. iron, aluminium. aluminium, nickel. aluminium, nickel, iron and cobalt. iron, cobalt, nickel. iron, aluminium. aluminium, nickel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When will be the electron pair bonding occurs ? Share holes Lack holes Share electrons None of these Share holes Lack holes Share electrons None of these ANSWER DOWNLOAD EXAMIANS APP