Verified Solution • 2025–26 Session moderate

QJEEM19Ph6321: JEE Main 2019 Physics - Class 12 JEEM19Ph6321 Solution: A rectangular coil (Dimension 5 cm × 2.5 cm) with 100 turns,…

A rectangular coil (Dimension 5 cm × 2.5 cm) with 100 turns, carrying a current of 3 A in the clock-wise direction is kept centered at the origin and in the X-Z plane. A magnetic field of 1 T is applied along X-axis. If the coil is tilted through 45° about Z-axis, then the torque on the coil is :

Multiple Choice Options

  • A 0.42 Nm
  • B 0.55 Nm
  • C 0.38 Nm
  • D 0.27 Nm

Step-by-Step Verified Solution

|τ→|=|M―×B―|

τ=NI×A×B×sin⁡45o

τ=0.27Nm

Related Learning Resources & Exam Preparation