ElectroState Assignment 1

1 Question 1. Deduce the expression for the electric field E due to a system of two charges q₁ and q₂ with position vector r₁ and r₂ at a point r with respect to common origin.

2 Question 2. Calculate the amount of work done in turning an electric dipole of dipole moment 3x10⁸C-m from its position of unstable equilibrium to stable equilibrium, in a uniform electric field of intensity 10³N/c.

3 Question 3. The sum of two point charges is 7µc they repel each other with a force of 1N when kept 30 cm apart in free space , calculate the value of each charge. .... See More

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IMPORTANT QUESTIONS FOR WAVE OPTICS AND OPTICAL INSTRUMENTS(ASSIGNMENT)

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Electrostate Assignment 2

Question 1. (1 )Define electric flux , write its SI unit . (2)The electric field components due to a charge inside the cube of side 0.1m are shown below E x =αx , where α =500N/C-m E Y =0,E Z =0 Calculate (a) The flux through the cube (b)the charge inside the cube Question 2. A uniformly charged conducting sphere of 2.5 m in diameter has a surface charge density of 100µC/m 2 . Calculate the (a) charge on the surface and (b)Total electric flux through the surface. Question 3. A small metal sphere carrying charge +Q is located at the centre of a spherical cavity in a large uncharged metal sphere as shown in fig . Use Gauss’s theorem to find electric field at points p1 , p2. ...

GravitationTest paper-1

Gravitation test -1

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