What is the significance of the negative sign in Faraday’s Law of Electromagnetic Induction?
What is the significance of the negative sign in Faraday’s Law of Electromagnetic Induction?
-
1 Answer
-
The negative sign in Faraday’s Law of Electromagnetic Induction is extremely significant as it gives the direction of the induced EMF. Faraday's law is based on Lenz's law which reflects the principle of conservation of energy. It says that the induced EMF always opposes the magnetic flux changes that cause it. Following is the Faraday's law equation:
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 66k Colleges
- 1.2k Exams
- 680k Reviews
- 1800k Answers