Conductor inside an electric motor current calculation

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SUMMARY

The discussion focuses on calculating the current flowing through a conductor inside an electric motor, given a force of 1.5 Newtons and a magnetic flux density of 0.6 Tesla. Using the formula F = BIL, where F is the force, B is the magnetic flux density, I is the current, and L is the length of the conductor, the solution is derived. With L converted to 0.5 meters, the calculation shows that the current I equals 5 amps, confirming the accuracy of the solution.

PREREQUISITES
  • Understanding of electromagnetic principles, specifically the relationship between force, magnetic flux density, and current.
  • Familiarity with the formula F = BIL for calculating current in a magnetic field.
  • Basic knowledge of unit conversions, particularly converting millimeters to meters.
  • Proficiency in algebra for solving equations.
NEXT STEPS
  • Study the principles of electromagnetism, focusing on Lorentz force law.
  • Learn about the applications of magnetic fields in electric motors.
  • Explore advanced calculations involving varying magnetic fields and their effects on current.
  • Investigate the design and efficiency of electric motors in relation to conductor dimensions and materials.
USEFUL FOR

Electrical engineering students, physics enthusiasts, and professionals involved in electric motor design and analysis will benefit from this discussion.

oxon88
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Homework Statement



A 500 mm conductor inside an electric motor has a force of 1.5 Newtons exerted on it. If it is at right angles to a magnetic field of flux density 0.6 T, calculate the current flowing in the conductor.

Homework Equations



F=B.I.L

The Attempt at a Solution



B = 0.6T
F = 1.5N
L = 500mm = 0.5m
I =?1.5 = 0.6*I*0.5

I = 1.5/0.3= 5 amps.
 
Last edited:
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Looks right. :wink:
 

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