- 1(current)
Q. No.An electric dipole of moment \(\vec {p} \) is lying along a uniform electric field \(\vec{E}\). The work done in rotating the dipole by \(90^{\circ}\) is:
1. \(\sqrt{2}pE\)
2. \(\dfrac{pE}{2}\)
3. \(2pE\)
4. \(pE\)
Subtopic: Energy of Dipole in an External Field |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA dipole (\(p\)) is placed so that it is always aligned along the x-axis but it can undergo displacement along the x-axis. The dipole is placed exactly midway between two fixed charges \(-Q\) and \(Q,\) in two possible ways.
Then, the dipole is:
Then, the dipole is:
| 1. | stable in both A, B |
| 2. | stable in A, unstable in B |
| 3. | unstable in A, stable in B |
| 4. | unstable in both A, B |
Subtopic: Energy of Dipole in an External Field |
Please attempt this question first.
Please attempt this question first.
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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