Questions
A small electric dipole is of dipole moment p. The electric potential at a distance ‘r’ from its centre and making an angle from the axis of dipole will be:
detailed solution
Correct option is B
Potential at D VD=kqBD−kqADBD=r−acosθ,AD=r+acosθVD=kqr−acosθ−kqr+acosθ use (r>>acosθ,&P=q⋅2a)⇒VD=kq(2acosθ)r2=kpcosθr2Talk to our academic expert!
Similar Questions
Three charges are situated in plane at points respectively. The potential in xy plane at a distant point r (r > > a) in a direction making an angle from the Y-axis :
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