« previous next »

Author Question: A transformer is a device used to A) transform an alternating current into a direct current. ... (Read 57 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
on: Jul 29, 2018
A transformer is a device used to
 
  A)
 
  transform an alternating current into a direct current.
  B)
 
  transform a direct current into an alternating current.
  C)
 
  increase or decrease an ac voltage.
  D)
 
  increase or decrease a dc voltage.

Question 2

If the south pole of one bar magnet is brought near the north pole of a second bar magnet, the two magnets will
 
  A)
 
  attract.
  B)
 
  repel.


Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Technique of Direct Fist Percussion: Left Kidney Technique of Direct Fist Percussion: Left Kidney
Two-Point Threshold Device for Measuring Touch Acuity Two-Point Threshold Device for Measuring Touch Acuity
Mechanism of Action of Direct-Acting Antispasmodics Mechanism of Action of Direct-Acting Antispasmodics
Flow cytometry. Cells expressing the surface markers CD4, CD8, and CD3 are labeled in a direct ... Flow cytometry. Cells expressing the surface markers CD4, CD8, and CD3 are labeled in a direct ...
Direct-Acting Cholinergic Agnostic Agents Direct-Acting Cholinergic Agnostic Agents
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations
Video: Chemical Changes

For a complete list of videos, visit our video library