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A point positive charge is brought near an isolated conducting sphere (Fig. 1.2). The electric field is best given

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The Electric flux through the

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Five charges q1, q2, q3, q4, and q5 are fixed at their positions as shown in Fig. S is a Gaussian surface. The Gauss’s law is given by`oint_0^1 vec E cdot vec (ds)=q/epsilon_0` Which of the following statements is correct?

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Fig. shows electric field lines in which an electric dipole p is placed as shown. Which of the following statements is

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A point charge +q, is placed at a distance d from an isolated conducting plane. The field at a point P on the other side of the plane

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A hemisphere is uniformely charged positively. The electric field at a point on a diameter away from the centre is

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If `oint_0^1 vec E cdot vec (ds)=0` over a surface,

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The Electric field at a point

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If there were only one type of charge in the universe,

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Consider a region inside which there are various types of charges but the total charge is zero. At points outside the

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Refer to the arrangement of charges in Fig. and a Gaussian surface of radius R with Q at the centre.

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An arbitrary surface encloses a dipole. What is the electric flux through this

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A metallic spherical shell has an inner radius R1 and outer radius R2. A charge Q is placed at the centre of the spherical cavity. What will be surface charge density on the inner

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A metallic spherical shell has an inner radius R1 and outer radius R2. A charge Q is placed at the centre of the spherical cavity. What will be surface charge density on the outer

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The dimensions of an atom are of the order of an Angstrom. Thus there must be large electric fields between the protons and electrons. Why, then is the electrostatic field inside a conductor

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If the total charge enclosed by a surface is zero, does it imply that the elecric field everywhere on the surface is zero? Conversely, if the electric field everywhere on a surface is zero, does it imply that net charge inside is

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Sketch the electric field lines for a uniformly charged hollow cylinder shown in Fig

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What will be the total flux through the faces of the cube (Fig. ) with side of length a if a charge q is placed at (I) A: a corner of the cube.(II) B: mid-point of an edge of the

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What will be the total flux through the faces of the cube (Fig. ) with side of length a if a charge q is placed at (I) C: centre of a face of the cube.(II) D: mid-point of B and

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A paisa coin is made up of Al−Mg alloy and weighs 0.75g. It has a square shape and its diagonal measures 17mm. It is electrically neutral and contains equal amounts of positive and negative charges. Treating the paisa coins made up of only Al, find the magnitude of an equal number of positive and negative

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