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qUESTIONS

Eight dipoles of charges of magnitude e are placed inside a cube. The total electric flux coming out of the cube will be

The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q₁ = -14 nC, q₂ = 78.85 nC, q3 = -56 nC)

In the given circuit, a charge of +80 µC is given to the upper plate of the 4 µF capacitor. Then in the steady state, the charge on the upper plate of the 3 µF capacitor is

Two infinite plane parallel sheets separated by a distance d have equal and opposite uniform charge densities σ. Electric field at a point between the sheets is

Shown below is a distribution of charges. The flux of electric field due to these charges through the surface S is

Total electric flux coming out of a unit positive charge placed in air is

The earth has volume of V and surface area of A, then capacitance would be

64 drops each having the capacity and potential are combined to form a big drop. If the charge on the small drop is q, then the charge on the big drop will be

Two parallel plate of area A are separated by two different dielectrics as shown in figure. The net capacitance is

A parallel plate air capacitor has a capacitance C. When it is half filled with a dielectric of dielectric constant 5, the percentage increase in the capacitance will be

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