Advertisements
Advertisements
प्रश्न
State whether true or false. If false, correct the statement.
Magnetic field lines always repel each other and do not intersect.
विकल्प
True
False
Advertisements
उत्तर
Magnetic field lines always repel each other and do not intersect- True
APPEARS IN
संबंधित प्रश्न
The wire in Figure below is being moved downwards through the magnetic field so as to produce induced current.
(a) moving the wire at a higher speed?
(b) moving the wire upwards rather than downwards?
(c) using a stronger magnet?
(d) holding the wire still in the magnetic field?
(e) moving the wire parallel to the magnetic field lines?
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a step-up or step-down transformer?
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 mechanism of attraction of iron nails by a magnet when brought near them.
Can two magnetic field lines intersect each other? Give reason to your answer.
What conclusion is drawn regarding the magnetic field at a point if a compass needle at that point rests in any direction? Give reason for your answer.
Select the correct option:
Nickel is a:
If the key in the arrangement is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are

A magnetic needle is kept in a non-uniform magnetic field. It experiences ______.
Can two magnetic lines of force intersect? Justify your answer:
