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A charge in uniform motion, produces

Question

A charge in uniform motion, produces

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Solution

A charge in uniform motion produces a magnetic field. This is a fundamental concept in electromagnetism. Here are the steps that explain this process:

  1. According to the Biot-Savart Law, a current-carrying wire produces a magnetic field around it. The direction of this field is perpendicular to the direction of the current.

  2. A moving charge can be thought of as a tiny current. So, a moving charge also produces a magnetic field around it. The direction of this field is perpendicular to the direction of motion of the charge.

  3. The strength of the magnetic field produced by the moving charge depends on the speed of the charge and the amount of charge. The faster the charge moves or the greater the amount of charge, the stronger the magnetic field.

  4. The magnetic field produced by a moving charge is circular, with the charge at the center. The direction of the field (whether it is clockwise or counterclockwise) depends on the direction of motion of the charge.

  5. This is why a charge in uniform motion (i.e., moving with a constant velocity) produces a steady magnetic field. If the charge were accelerating (i.e., changing its speed or direction), the magnetic field would be changing as well.

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