The SI unit of magnetic induction is _.
Correct answer: C. Tesla
- A. Weber
- B. Gauss
- C. Tesla
- D. Maxwell
Explanation
The tesla (symbol: T) is a derived unit of the magnetic B-field strength (also called magnetic flux density) in the International System of Units. One Tesla is equal to one Weber per square meter.
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About Electromagnetic Induction
Changing magnetic flux induces an emf according to Faraday's law, while Lenz's law gives the direction that opposes the change producing it. Transformers apply induction between coils to step alternating voltage up or down, with turns ratio, current transformation and energy losses determining practical operation.
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