Which of the following occurs at a neutral point?

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Field of magnet is zero

Field of earth is zero

Field of magnet is perpendicular to field of earth

None of these

answer is A.

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Detailed Solution

Concept: A glamorous field is a vector field that defines the glamorous effect in relative stir of electrical charges and glamorous accouterments . A charge which moves resemblant to a current of other charges is passing a force vertically to its own haste. The goods of glamorous fields are generally seen in endless attractions that attract or repel other attractions from glamorous accouterments ( similar as iron) . glamorous fields, including those used in electromagnets, compass and are formed by bewitched material and by moving electrical charges( currents) .
A neutral point of any attraction is defined as a point at which the attendant glamorous field is always zero. When the vertical element of the earth’s field is balanced with the help of an attraction, this leads to a neutral point. It's attained when the north pole of the attraction points to the south and the attraction in the glamorous peak.
The superposition of the glamorous fields due to earth and bar attraction is represented by the angles when the glamorous field of a bar attraction is colluded.
A point where the glamorous fields produced due to the attraction is fully annulled by the vertical element of the glamorous field produced due to earth is known as a neutral point. It's also important to note that the field produced due to the bar attraction is equal and contrary to the vertical element of the glamorous field produced due to earth.
Thus, the field of attraction is zero at a neutral point.
Hence, the correct option is 1.

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