CHAPTER 16 -- MAGNETIC FIELDS QUESTION & PROBLEM …

Solutions--Ch. 16 ( MAGNETIC FIELDS )917 CHAPTER 16 -- MAGNETIC FIELDSQUESTION & PROBLEM ) What is the symbol for a MAGNETIC field? What are its units? Also, whatare MAGNETIC FIELDS , really?Solution: As a vector, the symbol for a MAGNETIC field is B. Its units are teslas. Inreality, MAGNETIC forces are relativistic effects produced by charge in relative phenomenon was observed before Einstein's relativity existed. As aconsequence, the observers attributed to the phenomenon a new, special vector called that vector field a MAGNETIC ) What are MAGNETIC forces? That is, how do MAGNETIC forces act; what dothey act on; what, in general, do they do?Solution: Within the context of what has become known as the classical theory ofmagnetism, MAGNETIC FIELDS create forces on charges whose motion cuts acrossmagnetic field lines.

Magnetic fields affect charges only if the charge is in motion, and only then if there is a component of the motion that cuts across magnetic field lines. In short, a charge released from rest in a magnetic field will just sit there. b.) How would the answer to Part 7a change if the charge had been

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