Engineering Materials in EE Magnetic recording tape is most commonly made from ferric-oxide. iron-dust. small particles of iron. silicon-iron. ferric-oxide. iron-dust. small particles of iron. silicon-iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called semi-magnetic. ferro-magnectic. dia-magnetic. None of these semi-magnetic. ferro-magnectic. dia-magnetic. None of these 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. magnetic hysteresis. magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 1 to 2. 200. 3 to 8. 100. 1 to 2. 200. 3 to 8. 100. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many classes of insulating materials are there? 7. 8. 6. 5. 7. 8. 6. 5. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. All of these. Generators. Motors. Hoist. All of these. Generators. Motors. ANSWER DOWNLOAD EXAMIANS APP
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