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qUESTIONS

How many electrons are required to accumulate a charge of 5 coulomb?

An electric dipole is as shown in figure. The electric potential at point P due to the dipole is

Two point charges +q1 and +q2 repel each other with a force of 100 N. Keeping the distance between them unchanged, if q1 is increased by 10% and q2 is decreased by 10%, the force of repulsion between them will

A charge Q is enclosed by a Gaussian surface of radius R. If the radius is doubled then the outward electric flux will

An electric charge moving with uniform velocity has

Two point charges q1 and q2 are ‘l’ distance apart. If one of the charges is doubled and distance between them is halved, the magnitude of force becomes n times, where n is

If εo and ε represent the permittivity of free space and absolute permittivity of a medium then relative permittivity of the medium is

Two point charges of +3C and +9C repel each other with a force of 27 N. Charges of -3C are given to each of these charges, then the force of interaction is

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