Question

technician a says transformers use electromagnetic induction to increase applied voltage. technician b says transformers can be used to decrease applied voltage. who is correct?

• neither technician a nor b
• technician b only
• both technician a and b
• technician a only

Explanation:

Transformers operate on the principle of electromagnetic induction. Step-up transformers increase input voltage, matching Technician A's statement. Step-down transformers decrease input voltage, matching Technician B's statement. Both technicians are correct.

Answer:

Both Technician A and B