Electrical (A6)Pregunta 76 de 120
Technician A says a relay lets a small control current switch a larger load. Technician B says relays protect switches and allow smaller control wiring. Who is correct?
a.Neither A nor B
b.Technician A only
c.Technician B only
d.Both A and B
Explicación
A relay uses a low-current coil to close contacts that carry a high-current load, which protects switches and permits smaller control wiring. Both technicians are correct. Common uses include headlights, fuel pumps, and cooling fans.
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