Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by None of these εr / εo. εoεr. εo / εr. None of these εr / εo. εoεr. εo / εr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Paramagnetic. Ferromagnetic. Soft iron. Diamagnetic. Paramagnetic. Ferromagnetic. Soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on intensity of electric field. frequency of applied voltage. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. intensity of electric field. frequency of applied voltage. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Oxygen. Sulphur. Nitrogen. Carbon. Oxygen. Sulphur. Nitrogen. Carbon. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 8. none of above. 51. 5. 8. none of above. 51. 5. ANSWER DOWNLOAD EXAMIANS APP
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