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Author Question: If the electromagnet is operated with direct current, the polarity of its magnetic poles: (Read 55 times)

byomi

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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
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Marked as best answer by byomi on Nov 27, 2023

katrey9207

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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.
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byomi

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Reply 2 on: Nov 27, 2023
Wow, this really help

abro1885

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Reply 3 on: Yesterday
Gracias!

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