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The angle of dip is theta at a place, wh...

The angle of dip is `theta` at a place, where the horizontal and vertical componetns of earth's magnetic fiels are equal . The value of `theta ` is

Text Solution

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If `delta` be the angle of dip, then horizontal component `B-(h)= b cos delta` and vertical component `B_(v)= B sin delta`
If `B_(v) and B_(h)` are equal, then `B sin delta = B cos delta`
or `(sin delta)/(cos delta)=1`
or `tan delta= 1 or delta =45^(@)`
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