Engineering Materials in EE The core of a transformer for microwave frequency should be made of ferrites. silicon. iron. silicon carbide. ferrites. silicon. iron. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of neutrons. atomic number. numbers of electrons. numbers of protons. numbers of neutrons. atomic number. numbers of electrons. numbers of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as inversion temperature. conversion temperature. curie temperature. critical temperature. inversion temperature. conversion temperature. curie temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. Motors. Generators. All of these. Hoist. Motors. Generators. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Ferromagnetic. Soft iron. Diamagnetic. Paramagnetic. Ferromagnetic. Soft iron. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
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