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प्रश्न
Choose the correct option.
A place where the vertical components of Earth's magnetic field is zero has the angle of dip equal to
विकल्प
0°
45°
60°
90°
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उत्तर
0°
Explanation:
`"B"_"V"/"B"_"H"` = tanΦ
As, BV = 0, tanΦ = 0 ⇒ Φ = 0°
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