This topic contains a solution. Click here to go to the answer

Author Question: How will two permanent bar magnets react if they are brought close to each other? A) They will ... (Read 30 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
How will two permanent bar magnets react if they are brought close to each other?
 
  A) They will attract if their north poles are together.
  B) They will attract if their south poles are together.
  C) They will attract if the north and south poles are together.
  D) They will repel if the north and south poles are together.

Question 2

If the contacts fail to open when a relay is de-energized, what is the trouble?
 
  A) Dirt is causing the relay armature to stick.
  B) There is too little current in the relay coil.
  C) The return spring tension is too large.
  D) There is no trouble. The relay is operating normally.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

C

Answer to Question 2

A




cartlidgeashley

  • Member
  • Posts: 572
Reply 2 on: Jul 28, 2018
Gracias!


ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

For a complete list of videos, visit our video library