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Write the value of Horizontal componen...

Write the value of
Horizontal component .

Text Solution

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Horizontal component :
The Earth's magnetic field is parallel to the surface of the Earth (i.e., horizontal ) which implies that the needle of magnetic compass rests horizontally at an angle of dip, `I = 0^(@)` as shown in figure
`B_(H) = B_(E)`
` B_(v) = 0 `
This implies that the horizontal component is maximum at equator and vertical component is zero at equator.
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Knowledge Check

  • Two short bar magnets of length 1cm have magnetic moments 1.20 " Am"^(2) and 1.00 " Am"^(2) , respectively . They are kept on a horizontal table parallel to each other with their North poles pointing towards the south . They have a common magnetic equator and are separated by a distance of 20.0 cm. The value of the resultant horizontal magnetic induction at the midpoint O of the line joining their centers is ( Horizontal components of Earth's magnetic induction is 3.6 xx 10^(-5) Wb m^(-2) ).

    A
    `3.60 xx 10^(-5)" Wb " m^(-2)`
    B
    `3.5 xx 10^(-5) " Wb " m^(-2)`
    C
    `2.56 xx 10^(-4) " Wb " m^(-2)`
    D
    `2.2 xx 10^(-4) " Wb " m^(-2)`

  • The vertical component of Earth's magnetic field at a place is equal to the horizontal component. What is the value of angle of dip at this place ?

    A
    `30^(@)`
    B
    `45^(@)`
    C
    `60^(@)`
    D
    `90^(@)`

  • The vertical component of Earth's magnetic field at a place is equal to the horizontal component. What is the value of angle of dip at this place?

    A
    `30^(@)`
    B
    `45^(@)`
    C
    `60^(@)`
    D
    `90^(@)`

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