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Two equal and opposite charges of magnit...

Two equal and opposite charges of magnitude `0.2 mu C` are 15 cm apart, the magnitude and direction of the resultant electric intensity at a point midway between the charges is

A

`6.4 xx 10^(5)N//C` towards -ve charge

B

`6.4 xx 10^(5)N//C` towards +ve charge

C

zero

D

infinity

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The correct Answer is:
A
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AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Practice Exercise
  1. A conducting sphere of radius R= 20cm is given a charge Q= 16 mu C wha...

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  2. A 0.50 gm ball carries a charge of magnitude 10mu C. It is suspended b...

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  3. Two equal and opposite charges of magnitude 0.2 mu C are 15 cm apart, ...

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  4. Three charges each of +4mu C are the corners B, C, D of a square ABCD ...

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  5. There are n electrons of charge on a drop of oil of density rho. It is...

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  6. The electrons in a particle beam each have a kinetic energy of 1.6 xx ...

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  7. Two charged particles having masses in the ratio 2: 3 and charges in t...

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  8. ABC is an equilateral triangle. Three identical charges each +q are pl...

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  9. An alpha particle is situated in an electric field of 10^(6)N//C. The ...

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  10. Four charges of +q, -q, +q and +q are placed at the corners A, B, C an...

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  11. The electric intesnity due to a dipole of length 10cm and having a cha...

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  12. An electric dipole consisting of two opposite charges 2 xx 10^(-6)C ea...

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  13. A molecule with a dipole moment p is placed in electric field of stren...

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  14. An electric dipole of moment P is placed in the position of stable equ...

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  15. For a dipole q= 2 xx 10^(-6)C and d= 0.01m. Calculate the maximum torq...

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  16. An electric dipole of moment vec(p) is placed normal to the lines of f...

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  17. A dipole consisting of +10 nC and -10 nC separated by a distance of 2c...

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  18. The number of electric lines of force originating from a charge of 1C ...

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  19. A cube of side 1 is placed in a uniform field E, where E= E hat(i). Th...

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  20. A point charge +q is placed at the centre of a cube of side L. The ele...

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