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  • At a certain place, the horizontal component of earth's magnetic field is 3 times the vertical component. The angle of dip at that place isOption: 1

At a certain place, the horizontal component of earth's magnetic field is 3 times the vertical component. The angle of dip at that place is

Option: 1

30^{\circ}


Option: 2

45^{\circ}


Option: 3

60^{\circ}


Option: 4

90^{\circ}


Answers (1)

best_answer

\mathrm{B_H=B \cos \theta} and  \mathrm{B_V=B \sin \theta} . Hence
\mathrm{ \frac{B_V}{B_H}=\tan \theta }
Given  \mathrm{ \frac{B_V}{B_H}=\frac{1}{\sqrt{3}} } . Therefore, \mathrm{ \tan \theta=\frac{1}{\sqrt{3}} }, i.e.  \mathrm{\theta=30^{\circ} }  which is choice (a).

Posted by

Ritika Jonwal

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