# Physics Electrostatics Test Paper 1 for IIT-JEE, AIEEE and AIPMT

Dielectric constant of pure water is 81. Its permittivity will be:

Two similar small sphere having +q and –q charge are kept at a certain distance. F force acts between the two. If in the middle of two sphere, another similar small sphere having +q charge is kept, then it will experience a force in magnitude and direction as:

Figure shows the electric lines of force emerging from a charged body. If the electric field at A and B are EA and EB respectively and if the distance between A and B is r, then

ABC is an equilateral triangle. Charges +q are placed at each corner. The electric intensity at O will be:

The figure show some of the electric field lines corresponding to an electric field. The figure suggest:

If a charged spherical conductor of radius 10 cm has potential V at point distant 5 cm from its center, then the potential at a point distant 15 cm from the center will be:

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Discussion

391 days 23 hours 37 minutes ago

1518 days 15 hours 24 minutes ago

Electrostatics is the most basic chapters in class XII syllabus. It becomes more interesting once we start comparing it with the chapter magnetism.So many similarities are there with on basic dissimilarity, that is electric field is conservative whereas magnetic field is not. This fact has interesting consequence which is explained in a lecture by Prof. Lew

1635 days 21 hours 15 minutes ago

it's need of hour to take test

1655 days 23 hours 19 minutes ago

1734 days 22 hours 40 minutes ago

Nice!!!! Pretty standard stuff!

1745 days 15 hours 19 minutes ago

good.....

1778 days 17 hours 50 minutes ago

how do i gain interest in all the the classes without an adobe flash?my browser doesn't support it,

1794 days 18 hours 29 minutes ago

it is very good for real examination

1803 days 16 hours 17 minutes ago

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