Magnetism and electromagnetism objective questions with explanations

Magnetism and electromagnetism objective questions with explanations for ESE,GATE,SSC,RRB & other exams

Q no 1 . The materials having low retentivity are suitable for making

              a ) weak magnets

              b ) temporary magnets

              c ) permanent magnets

               d ) none of above

explanations

                    answer   b ) temporary magnets

Q no 2 . A material which is slightly repelled by a magnetic field is knowm as

              a ) ferromagnetic material

              b ) diamagnetic material

              c ) paramagnetic material

              d ) conducting material

explanations

                    answer  b ) diamagnetic material