Two parallel wires carrying currents in opposite directions:
Correct answer: A. Repel each other
- A. Repel each other
- B. Have no effect upon each other
- C. Attract each other
- D. They cancel out their individual magnetic fields
Explanation
Using the right-hand grip rule, the magnetic field from one wire at the location of the other wire creates a force. When the currents are in opposite directions, the forces on the wires are directed away from each other, resulting in repulsion.
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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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