Advertisements
Advertisements
प्रश्न
A current flows downwards in a wire that passes vertically through a table top. Will the magnetic field lines around it go clockwise or anticlockwise when viewed from above the table?
उत्तर
If current flows downwards in a wire that passes vertically through a table top, the magnetic field lines around it will go clockwise when viewed from above the table. This is concluded by applying right-hand thumb rule.
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
Explain why, a freely suspended magnet always points in the north-south direction.
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.
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
Select the correct option:
A bar magnet is rubbed on a bar of steel along its length 20 times. The bar of steel gets magnetised due to the process of:
Draw diagram showing the arrangement of the lines of force for a single magnet.
Write the properties of magnetic lines of force.
Magnetic field lines determine ______.
