Author Question: The transistor operates like a relay in that ________. A) its base is like a coil, and its ... (Read 72 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
The transistor operates like a relay in that ________.
 
  A) its base is like a coil, and its emitter and collector are like a set of contacts
  B) its collector is like the coil, and its base and emitter are like a set of contacts
  C) its emitter is like the coil, and its base and collector are like a set of contacts

Question 2

How are water pumps in hydronic heating systems checked?
 
  A) By measuring the temperature of the pump motor
  B) By measuring the pump motor RPM using a digital tachometer
  C) By measuring the water flow in the system
  D) By measuring the impeller RPM using a stroboscope



elyse44

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

KWilfred

  • Hero Member
  • *****
  • Posts: 570
Both answers were spot on, thank you once again



elyse44

  • Sr. Member
  • ****
  • Posts: 319

 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

For a complete list of videos, visit our video library