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Magnetics question

2024 · 31 Jan · Shift 1 · Q68

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Magnetics
2024 · 31 Jan · Shift 1 · Q68

Magnetics question

2024 · 31 Jan · Shift 1 · Q68

JEE MainPhysicsMagneticsMCQ+4 / −1

A rigid wire consists of a semicircular portion of radius

R

and two straight sections. The wire is partially immerged in a perpendicular magnetic field

B=B_0 \hat{k}

as shown in figure. The magnetic force on the wire if it has a current

i

is:

JEE Main 2024 (Online) 31st January Morning Shift Physics - Magnetic Effect of Current Question 45 English

A
$i B R \hat{j}$
B
$-2 i B R \hat{j}$
C
$2 i B R \hat{j}$
D
$-i B R \hat{j}$

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