« previous next »

Author Question: A transformer is a device used to A) transform an alternating current into a direct current. ... (Read 67 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?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

An implantable cardiovert-defibrillator: A dual-chamber ICD device with a pulse generator is implant An implantable cardiovert-defibrillator: A dual-chamber ICD device with a pulse generator is implant
Co-current flow in a concentric tube heat exchanger Co-current flow in a concentric tube heat exchanger
Apply direct pressure under the zygomatic arch. Moving laterally, gently press up and under the ... Apply direct pressure under the zygomatic arch. Moving laterally, gently press up and under the ...
Direct percussion Direct percussion
Handheld BIA device Handheld BIA device
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: Ear Animation

For a complete list of videos, visit our video library