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Electric Dipole Video Lecture - Physics Class 12 - NEET

154 videos|444 docs|185 tests

FAQs on Electric Dipole Video Lecture - Physics Class 12 - NEET

1. What is an electric dipole?
Ans. An electric dipole is a pair of equal and opposite charges separated by a small distance. It is a fundamental concept in electromagnetism and represents the simplest form of a polar molecule.
2. How is an electric dipole created?
Ans. An electric dipole can be created by either separating positive and negative charges or by shifting the center of positive and negative charges within an object. For example, a water molecule is an electric dipole where the oxygen atom is slightly negative and the hydrogen atoms are slightly positive.
3. What are the properties of an electric dipole?
Ans. An electric dipole possesses several properties. It has a dipole moment, which is the product of the magnitude of one of the charges and the distance between them. It experiences a torque in an external electric field, aligning itself with the field. An electric dipole also generates an electric field around it, which follows an inverse square law.
4. How is the electric field created by an electric dipole calculated?
Ans. The electric field created by an electric dipole at a point in space can be calculated using the formula: E = (1/4πε₀) × (2p/r³), where E is the electric field, ε₀ is the permittivity of free space, p is the dipole moment, and r is the distance from the dipole.
5. What are some real-life examples of electric dipoles?
Ans. Electric dipoles are present in various real-life scenarios. Some examples include water molecules, where the uneven distribution of charges creates a dipole moment. Similarly, radio antennas, capacitor plates, and certain types of molecules in biological systems can also exhibit electric dipole behavior.
154 videos|444 docs|185 tests
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