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 36 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
Great answer, keep it coming :)


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

For a complete list of videos, visit our video library