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प्रश्न
What do you understand by the term magnetic field lines?
What are magnetic field lines?
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उत्तर १
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.
उत्तर २
Magnetic field lines are imaginary lines that indicate the direction and strength of the magnetic field around a magnet.
संबंधित प्रश्न
State whether the following statement is true of false:
The axis of earth's imaginary magnet and the geographical axis coincide with each other.
Copy the figure below which shows a plotting compass and a magnet. Label the N pole of the magnet and draw field line on which the compass lines
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What is an artificial magnet? State two reasons why do we need artificial magnets .
Explain what you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet?
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
In a uniform magnetic field, the field lines are:
Complete the following diagram of magnets to show the lines of force.
Define magnetic field lines of force.
A student fixes a white sheet of paper on a drawing board. He places a bar magnet in the centre and sprinkles some iron filings uniformly around the bar magnet. Then he taps gently and observes that iron filings arrange themselves in a certain pattern.
- Why do iron filings arrange themselves in a particular pattern?
- Which physical quantity is indicated by the pattern of field lines around the bar magnet?
- State any two properties of magnetic field lines.
