An electric dipole consists of two charges +41 μμC and -41 μμC separated by 1.78 mm. It is in an electric field of strength 5.2 MN/C (note these units carefully!). Calculate the magnitude of the torque (in N⋅⋅m) on the electric dipole when
(A) the dipole moment is parallel to the electric field
(B) the dipole moment is perpendicular to the electric field.
(C) the dipole moment is anti-parallel to the electric field.
where theta is the angle between dipole p and electric field (E). Tau is the torque
p = qd
q is the charge and d is the distance between them. p is the dipole moment
torque = (41*10-12C)(1.78*10-3m)(5.2*106N/C)sin(theta)
a) theta = 0 degrees
torque = 0 N.m
b) theta = 90 degrees
torque = 379.496*10-9 N.m
c) theta = 180 degrees
torque = 0 N.m
An electric dipole consists of two charges +41 μμC and -41 μμC separated by 1.78 mm....
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