This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the electromagnet is operated with direct current, the polarity of its magnetic poles: (Read 26 times)

byomi

  • Full Member
  • ***
  • Posts: 130
on: Nov 27, 2023

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.

Electricity for the Trades ¦ Petruzella ¦ 3rd Edition
Buy Test-Bank


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
Reply #1 on: Nov 27, 2023
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
:D TYSM

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Polarity in an amphibian embryo. Polarity in an amphibian embryo.
Zeeman Splitting by a Sunspot’s Magnetic Field Zeeman Splitting by a Sunspot’s Magnetic Field
When the exhaust is rich, the PCM applies a negative current into the pump cell. When the exhaust is rich, the PCM applies a negative current into the pump cell.
Current Geopolitics and Civil Liberties Current Geopolitics and Civil Liberties
Stacking the joints. A. Correct thumb–wrist alignment for applying direct pressure. B. Incorrect ... Stacking the joints. A. Correct thumb–wrist alignment for applying direct pressure. B. Incorrect ...
Find the voltage, current and power for each resistor in the circuit below Find the voltage, current and power for each resistor in the circuit below
Video: Cortisol (protein catabolism, gluconeogenesis, vasoconstriction & anti-inflammation)

For a complete list of videos, visit our video library