A) like poles repel each other
B) unlike poles attract each other
C) both (a) and (b)
D) None of these
Correct Answer: C
Solution :
A series of propulsion coils (Electromagnet) are placed along the guide way of Maglev. This vehicle experiences an attractive force from the coil a head of it and a repulsion force from the coil behind it, both forces pushing the vehicle in forward direction,
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