DC Motor: Rotating Coil in Magnetic Field

Thread starter Ry122
Start date May 8, 2007
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Coil Dc Dc motor Field Magnetic Magnetic field Motor Rotating

AI Thread Summary

The discussion focuses on a DC electric motor featuring a rectangular coil with 20 turns, measuring 0.50m by 0.40m, positioned in a uniform magnetic field of 0.60T. The coil is capable of free rotation on an axle and carries a current of 3.5A. Participants express confusion about how to approach the problem, particularly regarding calculating the couple moment acting on the coil. Understanding the interaction between the magnetic field and the current in the coil is crucial for solving the problem. Clarifying these concepts will help in determining the torque and overall functionality of the motor.

May 8, 2007

Ry122

The diagram shows a DC electric motor containing a rectangular coil of 20 turns and of length .50m and width .40m The coil is pivoted so that it can rotate freely on an axle. The coil is shown lying horizontally in a magnetic field of uniform stength .60T. A current of 3.5A is passing through the coil in the direction PQRS.
Im totally lost with this one. Don't know where to start.

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May 8, 2007

DAKONG

find couple moment?

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