Engineering Materials in EE Temporary magnets are used in which of the following ? Generators. Hoist. Motors. All of these. Generators. Hoist. Motors. All of these. 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 Positive magnetostriction exists when both are correct. none of above. dipoles are attract each other. dipoles are repel other. both are correct. none of above. dipoles are attract each other. dipoles are repel other. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When will be the electron pair bonding occurs ? Share holes None of these Share electrons Lack holes Share holes None of these Share electrons Lack holes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removal of magnetic impurities. demagnetising metallic parts. remagnetising metallic parts. removing gases from materials. removal of magnetic impurities. demagnetising metallic parts. remagnetising metallic parts. removing gases from materials. 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 magnetostriction. magneto-calorisation. magnetic hysteresis. magnetic expansion. magnetostriction. magneto-calorisation. magnetic hysteresis. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
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