Earth magnetic field at equator is approximately $0.4\,G$ then earth's dipole moment would be (nearly) (ralius of earth $= 6.4 \times 10^6\,m$ )
Earth magnetic field at equator is approximately $0.4\,G$ then earth's dipole moment would be (nearly) (ralius of earth $= 6.4 \times 10^6\,m$ )
- A
$1\times 10^{23}$
- B
$2\times 10^{23}$
- C
$.1\times 10^{23}$
- D
$.2\times 10^{23}$
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