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Important Questions on Electrostatics

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What is the electric flux for Gaussian surface A that encloses the charged particles in free space? [Given: q1=-14 nC,q2=78.85 nC,q3=-56 nC

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An imaginary equilateral triangle ABC of side length 2 m is placed in a uniform electric field E=10 N C-1 as shown. Then. VA-VB=

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As shown in the figure below, a point charge q moves from point P to a point S traversing a path PQRS in a uniform E. The electric field is directed along a direction parallel to x-axis. The coordinates of, P,Q,R and S are a,b,02a,0,0a,-b,0 and 0,0,0 respectively. What is the work done by the field in the process?

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Three point charges of 2mC each are kept at the vertices of an equilateral triangle of side 50 cm. If the system is supplied energy at the rate of 2 kW, the time taken to move one of the charges to the mid point of the line joining the other two charges is
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A Van de Graff generator has a spherical metal shell as an electrode which is at a potential 15×106 V. If the dielectric strength of the surrounding medium is 5×107Vm-1 then the diameter of the shell is
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The maximum potential energy due to electrostatic repulsion between two hydrogen nucleus is nearly (radius of the nucleus =1.1 Fermi) 14πε0=9×109 N m2 C-2
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Charge on the outer sphere is q and the inner sphere is grounded. The charge on the inner sphere is q', for r2>r1. Then
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Four capacitors with capacitances C1=1 μF,C2=1.5 μF, C3=2.5 μF and C4=0.5 μF are connected as shown and are connected to a 30 volt source. The potential difference between points a and b is:

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