In Activity13.7. howdowe thinkthe displacement of the rodAB will beaffected if (i)the currentin rod AB is increased : (ii) a strongerhorse - shoe magnetis used , and(iii) the length of the rod AB is increased ?

In Activity13.7. howdowe thinkthe displacement of the rodAB will beaff

1.	In Activity13.7. howdowe thinkthe displacement of the rodAB will beaffected if (i)the currentin rod AB is increased : (ii) a strongerhorse - shoe magnetis used , and(iii) the length of the rod AB is increased ?
Answer» Solution :Experimentshaveshown that, whena current- carryingconductoris placed in a magnetic field, the FORCEACTINGON the conductor is initially at rest ) is PROPORTIONAL toi….. (a) the current in the conductor . (b) the strength of themagnetic field. (c) the lenghtof the conductor . (i) Whenthe currentin the rod AB is increased , themoreforce will act on the rod and hencethe displacementof THEROD will also be more ( in the same proportion. (ii) If a stronger horse - shoe MAGNET is usedthen the strenghtof mgnetic fieldwill increases leading to a greaterfroce on the rod . Dueto the greater force , the displacementof the rod willalso be more ( in the same PROPOTION). (iii) Ifthe lenghtof the rod ABis increased, the moreforcewill act on the rod and hencethe displacementof the rodwill also be more ( in thesame proportion).