Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related non linearly. sinusoidally. linearly. parabolically. non linearly. sinusoidally. linearly. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. / >(A), (B), and (C) are all correct. rotating. alternating. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as critical temperature. curie temperature. conversion temperature. inversion temperature. critical temperature. curie temperature. conversion temperature. inversion temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. ANSWER DOWNLOAD EXAMIANS APP
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