The direction of the magnetic lines of force depends upon:
Correct answer: D. Direction of the current
- A. Nature of the material of the conducting wire
- B. Area of the conducting wire
- C. Amount of the current
- D. Direction of the current
Explanation
The direction of the magnetic lines of force can be found using the right-hand rule. If you point your right thumb in the direction of the current, your fingers will curl in the direction of the magnetic field lines.
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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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