Test on Electric Charges and Electric Field L3

If a body is charged by rubbing it, its weight

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An electric dipole is placed in a uniform electric field. The net electric force on the dipole

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Figure shows some of the electric field lines corresponding to an electric field. The figure suggests that

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NCERT Exemplar

NCERT Exemplar

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

NCERT Exemplar

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 is

NCERT Exemplar

A charge of 1.0 C is placed at the top of your college building and another equal charge at the top of your
house. Take the separation between the two charges to be 2⋅0 km. Find the force (in N) exerted by the charges on each other. 

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At what separation (in $m$ should two equal charges, 1⋅0 C each, be placed so that the force between them equals the weight of a 50 kg person?

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The dimensional formula of ${\epsilon }_0$

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