Advertisements
Advertisements
प्रश्न
Draw the pattern of magnetic field lines near a bar magnet placed with its North Pole pointing towards the geographic North. Indicate the position of neutral points by marking X.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
The strength of the magnetic field between the poles of an electromagnet would be unchanged if ______.
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?
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
Explain the method of plotting the magnetic field lines by using a small compass needle.
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.
Indicate by crosses, the likely positions of the neutral points.
Which substances are used for making electromagnets?
Define the Isogonic line.
A circular loop placed in a plane perpendicular to the plane of paper carries a current when the key is ON. The current as seen from points A and B (in the plane of paper and on the axis of the coil) is anti clockwise and clockwise respectively. The magnetic field lines point from B to A. The N-pole of the resultant magnet is on the face close to
The direction of the magnetic lines around a current-carrying conductor can be easily understood using the ______ rule.
