Advertisements
Advertisements
प्रश्न
Complete the following diagram of magnets to show the lines of force.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:
(a) only in horizontal plane around the magnet
(b) only in vertical plane around the magnet
(c) in horizontal as well as in vertical planes around the magnet
(d) in all the planes around the magnet
Fill in the following blank with suitable words:
The lines of ........... round a straight current-carrying conductor are in the shape of ...........
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.
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?
State four properties of magnetic field lines.
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
In following figure, draw at least two magnetic field lines between the two magnets.
(b) 
Write a note on the 'magnetic field'.
Define the isoclinic line.
