find the force by fleming left hand rule.
please explain how we can get force when current and magnetic field are in same direction.plz
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Answers
Answer:
A magnetic field is a vector field that describes the magnetic influence of electric charges in relative motion[1][2] and magnetized materials. A charge that is moving parallel to a current of other charges experiences a force perpendicular to its own velocity.[3] The effects of magnetic fields are commonly seen in permanent magnets, which pull on magnetic materials (such as iron) and attract or repel other magnets. Magnetic fields surround and are created by magnetized material and by moving electric charges (currents) such as those used in electromagnets. They exert forces on nearby moving electrical charges and torques on nearby magnets. In addition, a magnetic field that varies with location exerts a force on magnetic materials. Both the strength and direction of a magnetic field vary with location. As such, it is described mathematically as a vector field.
In electromagnetics, the term "magnetic field" is used for two distinct but closely related fields denoted by the symbols B and H. In the International System of Units, H, magnetic field strength, is measured in the SI base units of ampere per meter (A/m).[4] B, magnetic flux density, is measured in tesla (in SI base units: kilogram per second2 per ampere),[5] which is equivalent to newton per meter per ampere. H and B differ in how they account for magnetization. In a vacuum, B/ {\displaystyle \mu _{0}} \mu _{0} and H are the same; but in a magnetized material, B/ {\displaystyle \mu _{0}} \mu _{0} and H differ by the magnetization M of the material at that point in the material.
Explanation:
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Answer:
to determine the direction of the magnetic force on a positive moving charge, ƒ, point the thumb of the right hand in the direction of v, the fingers in the direction of B, and a perpendicular to the palm points in the direction of F.