Answer:
The magnetic force in the wire is 3.15N
Step-by-step explanation:
Given
current I= 2.80 A.
length of conductor L= 0.75 m
Magnetic field, B = 1.50 T
∅=90
according to Fleming's left hand rule the conductor will observe a force perpendicular to it
Applying the formula


Note: sine(90)= 1