The best material for the core of the primary and secondary coils of an induction coil is
A. copper, because it has a good conductor of electricity
B. steel, because it becomes magnetic and retains its magnetism for a long time
C. rubber, because it is a good insulator and the user is prevented from shock
D. soft iron, because it becomes magnetic but easily loses its magnetism
E. glass, because it is transparent
Correct Answer: Option D
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His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give the latest updates about Nigeria and international institutions as he aims at helping people to lay their hands on the right information.