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

Author Question: Why can't impedances in series in an AC circuit simply be added to find the total circuit impedance? ... (Read 190 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
Why can't impedances in series in an AC circuit simply be added to find the total circuit impedance?
 
  A) Because the total impedance is always lower than the lowest single impedance in a series circuit
  B) Because the currents through inductive, capacitive, and resistance loads in an AC circuit are out of phase with each other.
  C) Because the impedance stays the same throughout a series circuit
  D) Because some of the impedance is lost through each load

Question 2

If a conductor is coiled as in a relay coil, then passing current through it will ________ the magnetic field.
 
  A) Coils should not be coiled. B) decrease
  C) intensify D) not change



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

B

Answer to Question 2

C




jasdeep_brar

  • Member
  • Posts: 569
Reply 2 on: Jul 24, 2018
Excellent


Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

For a complete list of videos, visit our video library