Tesla is a unit of _ per unit area.
Correct answer: A. Magnetic field lines
- A. Magnetic field lines
- B. Electric field lines
- C. Optical field lines
- D. Gravitational field lines
Explanation
The tesla (T) is the unit of magnetic flux density also called magnetic B-field strength. One tesla is equal to one weber per square meter. Using the equation , where E or magnetic flux density is equal to magnetic flux/ Area, (magnetic flux means magnetic field lines). Magnetic flux density (E) has units tesla and magnetic field lines have unit weber.
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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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