Self Studies

Electric Charge...

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  • Question 1
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    Complete the following statements with an appropriate word /term be filled in the blank space(s).


    The force of attraction or repulsion between two charges is given by ......................

  • Question 2
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    The ampere-sec stands for the unit of :

  • Question 3
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    A uniform rod of length l and mass m is free to rotate in a vertical plane about A. The rod initially in horizontal position is released. The initial angular acceleration of the rod is (Moment of inertia of rod about A is ml23\frac{ml^{2}} {3}

  • Question 4
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    Two point charges 2 C2\ C and 6 C-6\ C attract each other with a force of 12 N12\ N. A negative charge of 2 C2\ C is added to each of the above charges, now the force between them is :

  • Question 5
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    What happens when some charge is placed on a soap bubble?

  • Question 6
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    The ratio of electric force between two electrons to two protons separated by the same distance in air is:

  • Question 7
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    The laws of forces that govern the force between two electric charges were discovered by :

  • Question 8
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    In a region of space having a uniform electric field EE, a hemispherical bowl of radius rr is placed. The electric flux ϕ\phi through the bowl is

  • Question 9
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    The solid angle subtended by the total surface area of a sphere at the centre is :

  • Question 10
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    Electric field lines of force

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