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Technician A says that the diodes regulate the alternator output voltage. Technician B says that the field current can be computer controlled. Which technician is correct?

A. Both Technicians A and B

B. Technician A only

C. Neither Technician A nor B

D. Technician B only

Trả lời:

Đáp án đúng: D


Technician A is incorrect. Diodes do not regulate the alternator output voltage. The voltage regulator controls the field current, which in turn controls the alternator output voltage. Technician B is correct. The field current can be computer controlled, depending on the vehicle's design. Some vehicles use the ECM (Engine Control Module) to control the field current, allowing for more precise control and integration with other vehicle systems.

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