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प्रश्न
An electric dipole is placed at an alignment angle of 30° with an electric field of 2 × 105 NC-1. It experiences a torque equal to 8 Nm. The charge on the dipole if the dipole length is lcm is ______.
विकल्प
4 mC
8 mC
5 mC
7 mC
उत्तर
An electric dipole is placed at an alignment angle of 30° with an electric field of 2 × 105 NC-1. It experiences a torque equal to 8 Nm. The charge on the dipole if the dipole length is lcm is 8 mC.
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संबंधित प्रश्न
Two identical point charges of magnitude –q are fixed as shown in the figure below. A third charge +q is placed midway between the two charges at the point P. Suppose this charge +q is displaced a small distance from the point P in the directions indicated by the arrows, in which direction(s) will +q be stable with respect to the displacement?
Define ‘electric dipole’.
Give the expression for the magnitude of its electric dipole moment and the direction.
Write the general definition of electric dipole moment for a collection of point charge.
Calculate the electric field due to a dipole on its axial line and equatorial plane.
Derive an expression for the torque experienced by a dipole due to a uniform electric field.
Consider an electron travelling with a speed VΦ and entering into a uniform electric field `vec"E"` which is perpendicular to `vec"V"_0` as shown in the Figure. Ignoring gravity, obtain the electron’s acceleration, velocity and position as functions of time.
