Technician A says moving magnetic fields are a source of electrical energy in an automobile. Technician B says chemical reaction is the only source of electrical energy in an automobile. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because moving magnetic fields in components like the alternator generate electrical energy. Technician B is incorrect because, besides chemical reactions in the battery, other sources like the alternator also contribute to electrical energy in an automobile.

Technician a Says Moving Magnetic Fields Are a Source of Electrical