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L4 : Oersted Experiment - Magnetic Effects of Current, Science, class 10 Video Lecture

FAQs on L4 : Oersted Experiment - Magnetic Effects of Current, Science, class 10 Video Lecture

1. What is the Oersted experiment?
Ans. The Oersted experiment is an experiment conducted by Hans Christian Oersted in 1820, where he demonstrated the magnetic effect of electric current. In this experiment, he observed that a magnetic needle placed near a current-carrying wire got deflected, indicating the magnetic field produced by the current.
2. How does the Oersted experiment prove the magnetic effects of current?
Ans. The Oersted experiment proves the magnetic effects of current by showing that a current-carrying wire produces a magnetic field. When a magnetic needle is placed near the wire, it gets deflected, aligning itself with the magnetic field produced by the current. This deflection of the needle proves the existence of a magnetic field around the wire due to the flowing current.
3. What are the applications of the Oersted experiment?
Ans. The Oersted experiment has several applications in everyday life and scientific research. Some of the applications include: - It is the basis for the working of electric motors and generators. - It helps in the design and functioning of electromagnets used in various devices. - It is used in magnetic resonance imaging (MRI) technology in medical diagnostics. - It is used in the study of Earth's magnetic field and its effects on the environment. - It is used in the development of magnetic data storage devices like hard drives and magnetic tapes.
4. What is the significance of the Oersted experiment in understanding electromagnetism?
Ans. The Oersted experiment played a crucial role in understanding the relationship between electricity and magnetism, leading to the development of the concept of electromagnetism. It provided experimental evidence that electric current produces a magnetic field, establishing a fundamental connection between the two phenomena. This experiment laid the foundation for further research and discoveries in electromagnetism, eventually leading to the formulation of Maxwell's equations and the development of modern electrical and electronic technologies.
5. Can you explain the procedure of conducting the Oersted experiment?
Ans. The procedure for conducting the Oersted experiment is as follows: 1. Take a straight wire and connect it to a power source, such as a battery. 2. Place a magnetic needle near the wire, parallel to it. 3. Switch on the current flow through the wire. 4. Observe the deflection of the magnetic needle. 5. Repeat the experiment with different current strengths and distances between the wire and the needle to study the effect on the deflection. 6. Take necessary precautions to ensure safety while conducting the experiment, such as using insulated wires and keeping the power source at a safe distance.
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