(a) Define magnetic field lines. Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
(b) Explain why, a freely suspended magnet always points in the north-south direction.
Answers
Answer:
Explain why a freely suspended magnet always points in the north south direction activity to draw a magnetic field line outside a bar magnet from one pole to another pole ....
A magnetic field lines is defined as vector field which is a collection of many vectors drawn on a grid.
Explanation:
(a) The magnetic field lines have length dependent on the strength of the magnetic force. Compass does not indicate the strength of a magnetic field. If we draw a magnetic field line outside a bar magnet, the lines does not cross each other.
(b)The north pole of a freely suspended magnet gets attracted by magnetic south polarity of the earth and vice versa. Hence is always point north-south direction.
You can get all the answers of Chapter 2 in the link below:
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Few questions related to this chapter:
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Copy the figure given below which shows a plotting compass and a magnet......
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