question_answer

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The trains that use magnets to float above a track is called Maglev (Magnetic Levitadon) trains. This trains work on the principle that like poles repel and unlike poles attract each other. Due to magnetic force of attraction and repulsion this vehicle moves in forward direction. This train does not require wheels. What is used in Maglev trains instead of wheels?

A) Bar magnets   

B) Horse shoe magnets

C) Natural magnets         

D) Electromagnets