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

Author Question: The primary winding of an electric train transformer has 200 turns, and the secondary has 50 . If ... (Read 34 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jul 28, 2018
The primary winding of an electric train transformer has 200 turns, and the secondary has 50 . If the input voltage is 120 V(rms), what is the output voltage?
 a. 30 V
  c. 10 V
  b. 15 V
  d. 480 V

Question 2

The intensity level of sound 30 m from a jet airliner is 120 dB. At what distance from the airplane will the sound intensity level be a tolerable 100 dB? (Assume spherical spreading of sound.)
 a. 60 m
  c. 300 m
  b. 90 m
  d. 400 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


fnuegbu

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Excellent

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

The primary structure of ribonuclease The primary structure of ribonuclease
Stages of endometrial cancer. Stage I: Mutated cells arise from glandular epithelium of the endometr Stages of endometrial cancer. Stage I: Mutated cells arise from glandular epithelium of the endometr
Regions of the Primary Motor Cortex and Associated Axons of the Corpus Callosum Regions of the Primary Motor Cortex and Associated Axons of the Corpus Callosum
Secondary Groups Secondary Groups
A downward-sloping spark line usually indicates high secondary ignition system resistance or an ... A downward-sloping spark line usually indicates high secondary ignition system resistance or an ...
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library