a short electric dipole has dipole moment 1 ×10^9 cm. determine the electric potential due to the dipole at a point distance 0.3 m from the centre of the dipole situated 1)on the axis line 2) on the equilibrial line 3)on a line making an angle of 60 with the dipole axis
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Answer:
Part 1) Axial line potential is 10V.
Part 2) equatorial line potential is 0V.
Part 3)line making an angle α=60 with the dipole axis has potential of 5V.
Explanation:
For an ideal dipole, the potential at any general point at a distance r from it making an angle α with dipole axis can be given the formula,
where K=
P= dipole moment of the given electric dipole=
Part1:
For the axis line α=0°
V=
On solving V=10V
Hence, On the Axial line potential is 10V.
Part2:
For the equatorial line α=90°
V=0V
Hence, On the equatorial line potential is 0V.
Part3:
For a line making an angle α=60 with the dipole axis.
On solving V=5V
Hence, On the line making an angle α=60 with the dipole axis potential is 5V.
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