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प्रश्न
Define dipole moment of an electric dipole. Is it a scalar or a vector?
उत्तर
It is a vector quantity with magnitude equal to the product of either of the charge and the length of the electric dipole.
p = q (2a)
Where,
q = charge
2a=Length of the dipole
संबंधित प्रश्न
(a) Define torque acting on a dipole of dipole moment \[\vec{p}\] placed in a uniform electric field \[\vec{E}\] Express it in the vector from and point out the direction along which it acts.
(c) What would happen if the external field
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(a) The flux of the electric field through the sphere is zero.
(b) The electric field is zero at every point of the sphere.
(c) The electric field is not zero anywhere on the sphere.
(d) The electric field is zero on a circle on the sphere.
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Where the terms have their usual meaning.
