two points of charges +2 columb and +6 columb repel each other with afor of 12 neton of charge columb is given to each of these charges will be the force noe

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AB is a current carrying conductor in the plane of the paper as shown in the figure below. (i) What is the direction of the magnetic field produced by it at point ‘X’? Write the statement of the rule used to find the direction of field lines. (ii) If the polarity of the battery connected to the wire is reversed, how would the direction of the magnetic field be changed? (iii) Point ‘X’ is at a distance r1 and point ‘Y’ is at a distance r2 (r1

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Describe in operation electro dynamic whattmetermeter

For minimum flux the angle between the magnetic field and normal to the surface is