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Two point charges seperated by a distanc...

Two point charges seperated by a distance d repel each other with a force of 9N. If the seperation between them becomes 3d, the force of repulsion will be

A

1N

B

3N

C

6N

D

27N

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CHHAYA PUBLICATION-ELECTRIC FIELD-EXERCISE ( MULTIPLE CHOICE QUESTION )
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  2. The number of electrons corresponding to 1 coloumb of charge is

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  3. Two point charges seperated by a distance d repel each other with a fo...

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  8. If E be the intensity of the electric field at a distance r(r gt R) du...

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  9. A hollow charged sphere of radius 2 m does not produce any field inten...

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  10. An electron of charge -e and mas m is placed in a uniform electric fie...

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  15. Due to an electric charge Q , field intensity at the position of tes...

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  16. If an electric dipole of moment vecp be placed in an electric fiel...

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  17. The direction of the intensity of the electric field at a point on the...

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  18. A charge placed at a distance from an electric dipole on its axis expe...

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  19. If E1 be the electric field strength of a short dipole at a point o...

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  20. An electric dipole is placed along x-axis at the origin O. A point...

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