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CBSE Class 12-science Answered

Can an electric dipole remain in equilibrium in a (A)uniform electric field(B)non uniform electric field?justify.
Asked by neha123 | 03 Jan, 2012, 10:13: AM
Expert Answer
electric torque=?=pxE
when the dipole is in uniform electric field,ie parallel to the fld,then net torque=0  as for this position ?=0 ,so the dipole will be in equilibrium.
in nonuniform el fld also when the dipole is along the increasing direction of thew electric fld, then the torque will be 0 on it.ie it will be in equillibrium.
Answered by | 03 Jan, 2012, 10:24: AM

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