Advertisements
Advertisements
Question
Define the agonic line.
Advertisements
Solution
A line which joins all the places on earth, having zero angle of declination is called agonic line.
APPEARS IN
RELATED QUESTIONS
Explain why, a freely suspended magnet always points in the north-south direction.
Which of the following statements is incorrect regarding magnetic field lines?
(a) The direction of magnetic field at a point is taken to be the direction in which the north pole a magnetic compass needle points.
(b) Magnetic field lines are closed curves.
(c) If magnetic field lines are parallel and equidistant, they represent zero field strength.
(d) Relative strength of magnetic field is shown by the degree of closeness of the field lines.
What do you understand by the term magnetic field lines?
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
A dry cell can supply a charge of 800 C. If continuous current of 8.0 mA is drawn, calculate the time in which cells will discharge completely.
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.
What are the properties of a magnet?
The relative strength of the magnetic field at a point in the space surrounding the magnet is shown by the ____________.
Name the poles P, Q, Rand S of the magnets in the following figures 'a' and 'b':
 |
 |
| Figure 'a' | Figure 'b' |
