A magnetic field is set up in a region around a conductor, carrying:
Correct answer: D. All of these
- A. AC Current
- B. Pulsating DC current
- C. DC Current
- D. All of these
Explanation
Any movement of charge creates a magnetic field. Direct current (DC), alternating current (AC), and pulsating DC all involve the movement of charges and therefore all will produce a magnetic field around the conductor.
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About Electromagnetism
Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.
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