When two straight current carrying conductors are placed parallel near each other, their fields will _ in the middle region:
Correct answer: D. Either 'A' or 'B'
- A. Tend to cancel each other
- B. Reinforce each other
- C. Not affect each other
- D. Either 'A' or 'B'
Explanation
If currents are in the same direction, the fields in the middle oppose and weaken each other (causing attraction). If currents are in opposite directions, fields in the middle point in the same direction and reinforce each other (causing repulsion). Thus, both outcomes are possible depending on the current direction.
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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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