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प्रश्न
State whether true or false. If false, correct the statement.
Magnetic field lines always repel each other and do not intersect.
पर्याय
True
False
उत्तर
Magnetic field lines always repel each other and do not intersect- True
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संबंधित प्रश्न
Draw a diagram to show the magnetic field lines around a bar magnet.
Define magnetic field lines. Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
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?
How will you test whether a given rod is made of iron or copper?
[Hint : Iron rod gets magnetised when placed near a bar magnet by magnetic induction, while copper rod does not get magnetised]
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
In following figure, draw at least two magnetic field lines between the two magnets.
(b) 
Which substances are used for making electromagnets?
Complete the following diagram of magnets to show the lines of force.
A charge moving in a magnetic field, in a direction other than the direction of the magnetic field, experiences a force. It is called the ______ force.
Assertion (A): Magnetic field lines never intersect each other.
Reason (R): If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
