$A$ student,while studying the force experienced by a current-carrying conductor in a magnetic field,records the following observations:
$(i)$ The force experienced by the conductor increases as the current is increased.
$(ii)$ The force experienced by the conductor decreases as the strength of the magnetic field is increased.
Which of the two observations is correct and why?

(A) Observation $(i)$ is correct.
The force $(F)$ experienced by a current-carrying conductor placed in a magnetic field is given by the formula $F = BIl \sin \theta$,where $B$ is the magnetic field strength,$I$ is the current,and $l$ is the length of the conductor.
According to this relationship,the force is directly proportional to the current $(I)$ flowing through the conductor. Therefore,as the current increases,the force experienced by the conductor also increases.
Observation $(ii)$ is incorrect because the force is also directly proportional to the magnetic field strength $(B)$. Thus,increasing the magnetic field strength would increase the force,not decrease it.