Answer to Question #308784 in Electricity and Magnetism for Kell

Question

Which of the following activities would lead to the creation of independent magnetic fields (ie. One that does not depend on any electric field in its proximity) ?

a. Placing a proton in an environment where its velocity constantly changing

b. Placing a positive ion in an environment where it is moving at 8

m/s around a circular path

c. Placing a negative ion in an environment where it is moving at

constant velocity d. Placing an electron in an environment where it has zero

acceleration and a zero velocity

e. Placing an electron in an environment where it is completely at

rest

Answer 1

TRUE b. Placing a positive ion in an environment where it is moving at 8 m/s around a circular path