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Questions
What do you understand by the term magnetic field lines?
What are magnetic field lines?
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Solution 1
A magnetic field line is a continuous curve in a magnetic field such that tangent at any point of it gives the direction of the magnetic field at that point.
Solution 2
Magnetic field lines are imaginary lines that indicate the direction and strength of the magnetic field around a magnet.
RELATED QUESTIONS
Explain why, two magnetic field lines of not intersect each other.
The magnetic field lines:
(a) intersect at right angles to one another
(b) interest at an angle 45° to each another
(c) do not cross one another
(d) cross at an angle of 60° to one anotherv
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.
Indicate by crosses, the likely positions of the neutral points.
Select the correct option:
Nickel is a:
What do you meant by the term pole of a magnet? Magnetically speaking, what is the difference between a piece of brass, a piece of soft iron, and a piece of lode- stone?
Define the Isogonic line.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
State briefly the modern views on magnetism.
