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110 ps) A bar magnet with the north pole faced downward is dropped through the c

ID: 1793981 • Letter: 1

Question

110 ps) A bar magnet with the north pole faced downward is dropped through the center of a horizontal eirular coil Which one of the following statements about the induced current is true (viewed from above the a) The induced current flows in a clockwise direction. b) The induced current flows in a counter-clockwise direction. The induced current flows first in a clockwise and then in a counterclockwise direction. a) The induced current flows first in a counter-clockwise and then in a clockwise direction. e) There is no induced current in the coil. only goim own s down

Explanation / Answer

since north pole is coming towards coil,the induced cureent should oppose the north pole movement(according to LENZ'S law)therefore current in coill must be counter clockwise as seen from above

similarly when magnet leaves the coil current changes its direction to clockwise