A wire carrying current I, bent as shown in the figure, is placed in a uniform field B that emerges normally out from the plane of the figure. The force on this wire is ________.
Fill in the blank with the correct answer from the options given below.
Answer & explanation
Correct answer: option 1
Force will depends on the displacement of end points i. e L = 4R
$\Rightarrow F= 4IRB , Downward$
The correct answer is Option (1) → 4 BIR, directed vertically downward