A) V>>H
B) V<<H
C) V=H
D) V=H=0
Correct Answer: A
Solution :
[a] \[H=B\,\cos \,\theta \] \[V=B\,\,\sin \,\theta \] Here B = earth's magnetic field \[\theta \] = angle of dip = \[90{}^\circ \] at north pole \[\Rightarrow \,\,\,H=B\,\cos {{90}^{o}}=0\] \[V=B\,\sin \,{{90}^{o}}=B\Rightarrow B>>H\]
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