Torque in uniform magnetic field

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SUMMARY

A rectangular coil placed in a uniform magnetic field experiences torque due to the interaction between the magnetic field and the electric current flowing through the coil. This torque arises from the magnetic force acting on the sides of the coil, causing it to rotate. The phenomenon is governed by the principles of electromagnetism, specifically the Lorentz force law. When an electric current is present, the coil will indeed rotate within the magnetic field, demonstrating the fundamental principles of electromagnetic induction.

PREREQUISITES
  • Understanding of electromagnetism principles
  • Familiarity with the Lorentz force law
  • Knowledge of electric current and magnetic fields
  • Basic concepts of torque and rotational motion
NEXT STEPS
  • Study the Lorentz force law in detail
  • Explore the concept of electromagnetic induction
  • Learn about the behavior of coils in magnetic fields
  • Investigate applications of torque in electric motors
USEFUL FOR

Physics students, electrical engineers, and anyone interested in the principles of electromagnetism and their applications in devices like electric motors.

Deebu R
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how can a rectangular coil placed in uniform magnetic field have torque? Isn't torque the force on an object while its rotating? Will the coil rotate in a magnetic field? I don't understand.
 
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ie. if the coil has an electric current going through it.
 

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