Physics
The direction of a magnetic field at a point on a magnetic field line is given by :
- a tangent at that point
- a normal bisector at that point
- both tangent and normal bisector at that point
- none of the above
Magnetism
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Answer
a tangent at that point
Reason — A magnetic field line is a continuous curve in magnetic field such that tangent at any point of the curve gives the direction of the magnetic field at that point.
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