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# The needle of a dip circle shows an apparent dip of 45° in a particular position and 53° when the circle is rotated through 90°. Find the true dip.

Answer :

If δ_{1}andδ_{2}be the apparent dips shown by the dip circle in the 2 perpendicular positions

δ _{1} = 45° and δ_{2} = 53°

To find δ

the true dip (δ) is given by

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PREVIOUSA magnetic needle is free to rotate in a vertical plane which makes an angle of 60° with the magnetic meridian. If the needle stays in a direction making an angle of tan–1(2√3) with the horizontal, what would be the dip at that place?NEXTA tangent galvanometer shows a deflection of 45° when 10 mA of current is passed through it. If the horizontal component of the earth’s magnetic field is BH = 3.6 × 10–5 T and radius of the coil is 10 cm, find the number of turns in the coil.

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RELATED QUESTIONS :

The needle of a dip circle shows an apparent dip of 45° in a particular position and 53° when the circle is rotated through 90°. Find the true dip.

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