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प्रश्न
In a uniform magnetic field, the field lines are:
विकल्प
Curved
Parallel equidistant straight lines
Parallel but non-equispaced straight lines
Nothing can be said.
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उत्तर
In a uniform magnetic field, the field lines are : Parallel equidistant straight lines
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संबंधित प्रश्न
A thick wire is hanging form a wooden table. An anticlockwise magnetic field is to be produced around the wire by passing current through this wire by using a battery. Which terminal of the battery should be connected to the:
(a) top end of wire?
(b) bottom end of wire?
Give reason for your choice.
A charged particle enters at right angles into a uniform magnetic field as shown:
What should be the nature of charge on the particle if it begins to move in a direction pointing vertically our of the page due to its interaction with the magnetic field?
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?
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.
Insert two magnetic field lines on either side of the magnet using arrow head to show the direction of each field line.
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
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?
State briefly the modern views on magnetism.
Draw diagram showing the arrangement of the lines of force for two magnets in line, with unlike poles facing one another.
Complete the following diagram of magnets to show the lines of force.
______ is the number of magnetic field lines passing through a given area.
