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

Author Question: If the electromagnet is operated with direct current, the polarity of its magnetic poles: (Read 31 times)

byomi

  • Full Member
  • ***
  • Posts: 130

Question 1

If other factors remain constant, which of the following combinations of electric current and the number of turns in the coil produces the strongest electromagnet?  


500 turns and 2 A


700 turns and 2 A


300 turns and 4 A


100 turns and 10 A



Question 2

If the electromagnet is operated with direct current, the polarity of its magnetic poles:


remains fixed.


constantly reverses.


is not affected by the polarity of the DC voltage source.


constantly reverses and is not affected by the polarity of the DC voltage source.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by byomi on Nov 27, 2023

katrey9207

  • Full Member
  • ***
  • Posts: 139
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly




byomi

  • Member
  • Posts: 130
Reply 2 on: Nov 27, 2023
Wow, this really help


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library