The value of angle of dip is zero at the magnetic equator because on it (Where BH= Horizontal component of earth's magnetic field; Bv= Vertical component of earth's magnetic field)
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a
Bv and BH are equal
b
The value of Bv and BH is zero
c
The value of Bv is zero
d
The value of BH is zero
answer is C.
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Detailed Solution
Since the value of vertical component is zero BV=Bsinφ=0; sinφ=0; φ=0so angle of dip is zero.