What is the purpose of a relay in an electrical system?
A. To convert AC power to DC power
B. To regulate voltage
C. To control current flow
D. To switch high-power loads using low-power signals
Answer:D
What is the purpose of a relay in an electrical system?
A. To convert AC power to DC power B. To regulate voltage C. To control current flow D. To switch high-power loads using low-power signals