NEET > Additional Study Material for NEET > L 2 Electric field - Dipole moment , Electrostatics, Physics , class 12
L 2 Electric field - Dipole moment , Electrostatics, Physics , class 12 Video Lecture - Additional Study Material for NEET
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26 videos|287 docs|64 tests
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FAQs on L 2 Electric field - Dipole moment , Electrostatics, Physics , class 12 Video Lecture - Additional Study Material for NEET
| 1. What is the concept of electric field in physics? |  |
Ans. The electric field is a physical quantity that describes the force experienced by a charged particle in the presence of other charges. It is a vector quantity, meaning it has both magnitude and direction. The electric field is created by electric charges and is responsible for electric interactions.
| 2. How is the dipole moment related to the electric field? | |
Ans. The dipole moment is a measure of the separation of positive and negative charges in a system. In the context of electric fields, the dipole moment plays a significant role. The electric field created by a dipole at a point in space is directly proportional to the magnitude of the dipole moment and inversely proportional to the cube of the distance from the dipole.
| 3. What are some applications of electrostatics in everyday life? | |
Ans. Electrostatics has various applications in our daily lives. Some examples include:
- The working principle of photocopiers and laser printers is based on electrostatics.
- Spray painting uses electrostatic forces to ensure an even and efficient coverage of paint on objects.
- Van de Graaff generators are used for scientific demonstrations and in particle accelerators.
- The functioning of air purifiers and electrostatic precipitators relies on the removal of charged particles from the air using electrostatic forces.
| 4. How is the electric field of a dipole affected by the distance from the dipole? | |
Ans. The electric field of a dipole decreases with increasing distance from the dipole. This decrease follows an inverse cube law, meaning that the electric field strength decreases as the cube of the distance. Therefore, the electric field is stronger closer to the dipole and weaker farther away.
| 5. How does the concept of electric field relate to NEET (National Eligibility cum Entrance Test)? | |
Ans. The concept of electric field is an important topic in the Physics syllabus for NEET. Questions related to electric fields and dipole moments often appear in the exam. Understanding the principles of electric field and its applications is crucial for solving numerical problems and conceptual questions in the NEET Physics section.
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