6th Class Science Magnetism Question Bank Magnetism

  • 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. Maglev trains work on the principle that

    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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