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Electrostatics ...

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  • Question 1
    4 / -1

    Two unlike charges of magnitude q are separated by a distance 2d. The potential at a point midway between them is

  • Question 2
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    What is the potential energy of the equal positive point charges of 1µC each held lm apart in air?

  • Question 3
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    An oil drop having charge 2e is kept stationary between two parallel horizontal plates 2.0 cm apart when a potential difference of 12000 volts is applied between them. If the density of oil is 900 kg/m3 , the radius of drop will be

  • Question 4
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    The ratio of moment of an electron and α–which are accelerated from rest by a potential difference of 100 volt is

  • Question 5
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    An electron enters between two horizontal plats separated by 2 mm and having a potential difference of 1000 V. The force on electron is

  • Question 6
    4 / -1

    Two metal spheres of radii R1 and R2 are charged to the same potential. The ratio of charges on the spheres is

  • Question 7
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  • Question 8
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  • Question 9
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    Electric field strength due to a point charge of 5µC at a distance of 80cm from the charge is

  • Question 10
    4 / -1

    Two positive point charges of 12µC and 8µC are 10 cm apart. The work done in bringing them 4 cm closer is

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