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The value of horizontal component of the...

The value of horizontal component of the earth's field, at a place where the dip is `45^(@)` and total field `3.4 xx 10^(-5)` tesla is

A

`2.404 xx 10^(-5) T`

B

`0.2404 xx 10^(-5)T`

C

`24.04 xx 10^(-5) T`

D

`0.02404 xx 10^(-5) T`

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The correct Answer is:
A
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Knowledge Check

  • The horizontal component of the earth's magnetic field at a centain place is 3.0 xx 10^(-5) T and the direction of the field is form the geographic south to the geographic north. A very long straight conductor is carrying a steady current of 1 A . What is the force per unit length on it when it is placed on a horizontal table and the direction of the current is (a) east to west (b) south to north ?

    A
    `3 xx 10^(-5) Nm^(-1), 0 Nm^(-1)`
    B
    `0 Nm^(-1) , 3xx 10^(-5) Nm^(-1)`
    C
    `0 Nm^(-1), 0 Nm^(-1)`
    D
    None of the above .

  • The horizontal and vertical components of the earth's magnetic field at a place are 30 and 40 SI units . The total intensity in SI Units is

    A
    70
    B
    10
    C
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    D
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  • At a certain palce the horizotnal component of earth mag field is B_(0) and angle of dip is 45^(@) the resulatant field intensity at that place will be

    A
    `B_(0)`
    B
    `2B_(0)`
    C
    `sqrt(2)B_(0)`
    D
    `(B_(0))/sqrt(2)`

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