1.

In a certain place, the versted component of earth's magnetic field is 0.5 oersted and dip angle is60^(@) . Theearth'smagnetic fieldat that place is

Answer»

1 orested
` sqrt(3)/2` orested
2 oerested
` 1/(sprt(3))`oersted

Solution :Here,
Vertical COMPONENT of EARTH.smagnetic field , ` V_(E)=0.5 `oerstedAngle of DIP, ` delta= 60^(@)`
Earth magneticfield, ` B_(E) = ?`
`"As" SIN delta = (V_(E))/(B_(E))thereforeB_(E) = (V_(E))/( sin delta) = (0.5)/( sin 60^(@)) = (0.5)/((sqrt3/2)) = 1/sqrt3` oersted


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