Verified Solution • 2025–26 Session moderate

QJEEM22Ph589d: JEE Main 2022 Physics - Class 12 JEEM22Ph589d Solution: A triangular shaped wire carrying current is placed in a…

A triangular shaped wire carrying 10 A10 \mathrm{~A} current is placed in a uniform magnetic field of 0.5 T0.5 \mathrm{~T} , as shown in figure. The magnetic force on segment CD\mathrm{CD} is

(Given BC=CD=BD=5 cm\mathrm{BC}=\mathrm{CD}=\mathrm{BD}=5 \mathrm{~cm} .)

JEE Main 2022 (Online) 28th July Evening Shift Physics - Magnetic Effect of Current Question 77 English

Multiple Choice Options

  • A 0.126 N
  • B 0.312 N
  • C 0.216 N
  • D 0.245 N

Step-by-Step Verified Solution

F→=il→×B→\overrightarrow F = i\overrightarrow l \times \overrightarrow B

=ilBsin⁡60∘= ilB\sin 60^\circ

=10×5100×0.5×32= 10 \times {5 \over {100}} \times 0.5 \times {{\sqrt 3 } \over 2}

=0.2165= 0.2165 N

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