Question

At a place, the horizontal component of earth’s magnetic field is B and angle of dip is 60°. What is the value of horizontal component of the earth’s magnetic field at equator? [Delhi 2017]

Answer 1

answer

1. The horizontal component of electric field is given by B=Be cos (o)
2. o is angle of dip
3. Be is teh net magnetic field
4. At o is 60°
5. B=Be cos 60°
6. B=Be ( 1/2)
7. Be= 2B
8. here Bis BH
9. Now horizontal component at equator
10. BH= Becos ( o)
11. angle of dip at equator is 0
12. BH= Be cos (0)=Be=2B
13. BH=2B

Answer 2

Answer:

The horizontal component of the earth's magnetic field at a place is b and angle of dip 60 degree what is the value of horizontal component of the earths magnetic field at a equator