MEDIUM
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IMPORTANT
Earn 100
The total flux associated with the given cube will be-where 'a' is side of the cube:
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Important Questions on Electrostatics
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A point charge is placed at a distance perpendicular to the plane and above the centre of a square of side . The electric flux through the square is:
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As shown in the fig. charges and are placed at the vertices and of an isosceles triangle. The potential at the vertex is:
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At any point on the perpendicular bisector of the line joining two equal and opposite charges:
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What is the electric potential at a distance '' from the centre, inside a conducting sphere having a charge and radius ?
EASY
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IMPORTANT
Certain positive charge is given to a conductor. Then its potential:
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Potential inside a charged spherical shell is:
HARD
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IMPORTANT
A solid conducting sphere having a charge is surrounded by an uncharged concentric conducting hollow spherical shell. Let the potential difference between the surface of
the solid sphere and that of the outer surface of the hollow shell be . If the shell is now given a charge of , the new potential difference between the same two surfaces is
HARD
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IMPORTANT
Four charges and respectively are placed at the four corners of a square. Which of the following statements is true for the point of intersection of the diagonals?
