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Question
If points A and B have a potential 3V and 5V respectively, and a dipole is brought between the two points, which way will its dipole moment align?
Given: Dipole is an arrangement of two equal and opposite charges separated by a very small fixed distance and Dipole moment is a vector quantity which points from negative to the positive charge of the dipole arrangement.
If points A and B have a potential 3V and 5V respectively, and a dipole is brought between the two points, which way will its dipole moment align?
Given: Dipole is an arrangement of two equal and opposite charges separated by a very small fixed distance and Dipole moment is a vector quantity which points from negative to the positive charge of the dipole arrangement.
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Solution
The correct option is B Towards B
As the potential of A is greater than B, it is clear that the electric field is directed from A towards B.
Now place the dipole i.e. an arrangement of two equal and opposite charges separated by a very small fixed distance.
The positive charge of the dipole will tend to move towards B (along the field) and Negative one towards A(against the field). Hence dipole moment will align itself in the direction of field i.e. towards B.
As the potential of A is greater than B, it is clear that the electric field is directed from A towards B.
Now place the dipole i.e. an arrangement of two equal and opposite charges separated by a very small fixed distance.
The positive charge of the dipole will tend to move towards B (along the field) and Negative one towards A(against the field). Hence dipole moment will align itself in the direction of field i.e. towards B.
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