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ELECTROMAGNET, A ,THIS IS FOR QUESTION A
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- (a) Coil AB is a solenoid.
- b)Definition. Magnetic properties of soils are dominantly controlled by the presence, volumetric abundance, and oxidation state of iron in soils. Different types of Fe oxides, Fe–Ti oxides, and Fe sulfides are the predominant causes of magnetic soil characteristics.
- e) The magnetic field associated with the solenoid increases tremendously. It becomes an electromagnet
- d) (i) Strength of the current. (ii) Number of turns in the coil.
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