At a certain place, the angle of dip is 30° and the horizontal component of earth's magnetic field is 0.50 Oersted. What is the earth's total magnetic field in Oersted?
√ 3
1
1 / √ 3
1/2
At a place the angle of dip is 30o. If the horizontal component of earth’s magnetic field is H, the total earth’s field will be
H/2
H + H / √3
H √2
H/√3
The vertical component of the earth’s magnetic field is zero at a place where the angle of dip is
0o
45o
60o
90o
The angle between the magnetic meridian and geo meridian is known as
Magnetic dip
Magnetic declination
Magnetic latitude
Magnetic longitude
At a certain place the magnetic fields horizontal component is BH and the angle of dip is 45o. The earth’s total field at that place is
BH
2 BH
√ 2 BH
BH2
The value of horizontal component the earth’s magnetic field at a place is 0.35 x 10-4T. If the angle of dip is 60, the value of vertical component of earth’s magnetic field is
0.10 x 10-4 T
0.20 x 10-4 T
0.4 x 10-4 T
0.61 x 10-4 T
At a place the horizontal component Bo and vertical component Vo of the earth’s magnetic field are equal in magnitude. The total intensity at a place is
Bo
Bo2
2Bo
√2 Bo
The needle of a dip circle when placed at a geomagnetic pole stays along
South - North direction only
East - West direction only
Vertical direction
None of the above
The angle θ between the geographic and magnetic meridian at a place is 58' and the angle made by the earth’s resultant with the horizontal is 30o. What is the angle of declination?
58'
29'
30o
30o58'
If the earth’s horizontal and vertical components are equal at a certain point, the angle of dip is,
Zero
