Neutral Points
Trending Questions
Define the terms:-
- Magnetic poles.
- Magnetic axis.
- Effective length of a magnet.
What is a neutral point? How is the position of neutral point located with the use of a compass needle?
What are the geographical and magnetic axes of the earth?
The angle between the geographical axis and the magnetic axis is 17°, then why does the value of the angle of declination change from place to place?
Fig. 10.13 shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south dirction. There are no other magnets or magnetic material nearby.
(a) Insert two magnetic fiels lines on either side of the magnet using arrow head to show the direction of each field line.
(b) Indicate by crosses, the likely positions of the neutral points.
(c) What is the magnitude of the magnetic field at each neutral points ? Give a reason for your answer.
Complete the following sentences :
(a) If the field lines in a magnetic field are parallel and equidistant, the magnetic field is .............
(b) At a neutral point, the resultant magnetic field is ..........
(c) The neutral points of a bar magnet kept with its north pole pointing towards geographic north are located .......................
There is a difference of 50 degrees between the geographical axis and the magnetic axis of the earth.
- True
- False
How will you locate the neutral point with the help of a magnetic compass?
State the positions of neutral points when a magnet is placed with its axis in the magnetic meridian and with its north pole
(i) pointing towards the geographic north,
(ii) pointing towards the geographic south.
- In south−north direction
- In south−west direction
- In north−east direction
- In east−west direction
The points at which two magnetic fields are equal in magnitude but opposite in direction, are called
equal points
opposite points
positive points
neutral points
