EASY
Earn 100

For the metallic conductor
(a)Dielectric constant must be zero
(b)Dielectric constant must not be infinity
(c)Dielectric constant must be infinity
(d)Dielectric constant may be infinity

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Important Questions on Electric Charges and Fields
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Two charges of equal magnitudes and at a distance exert a force on each other. If the charges are halved and distance between them is doubled, then the new force acting on each charge is

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(Take )

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A negative charge is placed at the midpoint between two fixed equal positive charges, separated by a distance . If the negative charge is given a small displacement perpendicular to the line joining the positive charges, how the force developed on it will approximately depend on ?

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