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 45 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
:D TYSM


tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library