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#14 | Electric Dipole in Non uniform Electric Field
(Physics) > Electric Charges and Fields
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Related Practice Questions :

An electric dipole is in unstable equilibrium in the uniform electric field. The angle between its dipole moment and the electric field is

1.  90$°$

2.  120$°$

3.  0$°$

4.  180$°$

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Difficulty Level:

What is the angle between the electric dipole moment and the electric field strength due to it on the equatorial line

(1) $0°$

(2) $90°$

(3) $180°$

(4) None of these

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Difficulty Level:

Eight dipoles of charges of magnitude e are placed inside a cube. The total electric flux coming out of the cube will be

(1) $\frac{8e}{{\epsilon }_{0}}$

(2) $\frac{16e}{{\epsilon }_{0}}$

(3) $\frac{e}{{\epsilon }_{0}}$

(4) Zero

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Difficulty Level:

An electric dipole is place at an angle of ${30}^{\circ }$ with an electric field intensity 2$×{10}^{5}$ N/C. It experiences a torque equal to 4 Nm. The charge on the dipole, if the dipole length is 2 cm, is

(a) 8 mC              (b) 2 mC

(c) 5 mC              (d) 7 $\mu$