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At tow places , the angels oa dip are 30...

At tow places , the angels oa dip are `30^(@) N and 30^(@)` S and the earth 's magnetic filed is 0.42 Oe . Determine the horizontal and the vertical components of earth's magnetic field at these two places and also indicate their directions with the help of a diagram .

Text Solution

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At the first place , `theta=30^(@)N` [Fig] and at the second place , `theta=30^(@)S` [Fig]
Intensity of the earth's magnetic field at both the places ,
I = 0.42 Oe
`therefore` Horizontal component ,
`H==Icos30^(@)=0.42xxsqrt(3)/(2)=0.364 " Oe"`
and vertical component ,
`V==Isin30^(@)=0.42xx(1)/(2)=0.21 " Oe"`
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