universal Relay

Understand: What is the difference between a universal relay and an electromagnetic relay?

• a. A universal relay is digital, while an electromagnetic relay is analog
• b. A universal relay is used in DC circuits, while an electromagnetic relay is used in AC circuits
• c. A universal relay can be used in a variety of applications, while an electromagnetic relay is limited to specific applications
• d. A universal relay uses a microprocessor, while an electromagnetic relay does not

Apply: Which type of relay is commonly used in protection schemes for electrical systems?

• a. Universal relay
• b. Electromagnetic relay
• c. Differential relay
• d. Overcurrent relay

Analyze: What happens to the armature of an electromagnetic relay when the coil is energized?

• a. It moves towards the coil
• b. It moves away from the coil
• c. It rotates
• d. It remains stationary

Evaluate: Which of the following is a disadvantage of using an electromagnetic relay?

• a. It is expensive
• b. It has a short lifespan
• c. It is susceptible to mechanical wear and tear
• d. It is not reliable

Create: Design a protection scheme for an electrical system that includes a universal relay.

• a. Not applicable
• b. Not applicable
• c. Not applicable
• d. Not applicable