Questions in Electrostatics

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Point charge ${q_1} = 2\mu C$and ${q_2} = - 1\,\mu C$ are kept at points $x = 0$ and $x = 6$ respectively. Electrical potential will be zero at points
Equipotential surfaces associated with an electric field which is increasing in magnitude along the x-direction are
A bullet of mass 2 gm is having a charge of $2\,\mu C$. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of $10\,m/s$
The points resembling equal potentials are
Figure shows three points A, B and C in a region of uniform electric field $\overrightarrow E $. The line AB is perpendicular and BC is parallel to the field lines. Then which of the following holds good. Where ${V_A},{V_B}$ and ${V_C}$ represent the electric potential at points A, B and C respectively
In a certain charge distribution, all points having zero potential can be joined by a circle S. Points inside S have positive potential and points outside S have negative potential. A positive charge, which is free to move, is placed inside S
Infinite charges of magnitude q each are lying at x =1, 2, 4, 8... meter on X-axis. The value of intensity of electric field at point x = 0 due to these charges will be
A square of side ‘a’ has charge Q at its centre and charge ‘q’ at one of the corners. The work required to be done in moving the charge ‘q’ from the corner to the diagonally opposite corner is
A pendulum bob of mass $30.7 \times {10^{ - 6}}\,kg$ and carrying a charge $2 \times {10^{ - 8}}\,C$ is at rest in a horizontal uniform electric field of 20000 V/m. The tension in the thread of the pendulum is $(g = 9.8\,m/{s^2})$
An infinite line charge produce a field of $7.182 \times {10^8}\,N/C$ at a distance of 2 cm. The linear charge density is

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