« previous next »

Author Question: If the rotating coil used in a generator has its radius doubled, what change results in the ... (Read 124 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
on: Jul 28, 2018
If the rotating coil used in a generator has its radius doubled, what change results in the amplitude of the voltage produced?
 a. It doubles.
  c. It is increased by a factor 23/2.
  b. It quadruples.
  d. It stays the same.

Question 2

A radar pulse is bounced off the Moon at a distance of 400,000 km. What is the time from the transmitting of the pulse until its return?
 a. 1.28 s
  c. 2.67 s
  b. 2.56 s
  d. 3.84 s


debra928

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Graphic display of hypothetical results of a predator removal experiment. Graphic display of hypothetical results of a predator removal experiment.
The percentage of women over 40 in the United States who are childless has almost doubled in the ... The percentage of women over 40 in the United States who are childless has almost doubled in the ...
Electric Heating Coil Rectification Electric Heating Coil Rectification
Monitoring and Following Up on Laboratory Test Results Monitoring and Following Up on Laboratory Test Results
Cumulative change for six personality-trait domains across the life course show distinct patterns. Cumulative change for six personality-trait domains across the life course show distinct patterns.
Identifying the Causes of Climate Change Identifying the Causes of Climate Change
Video: Heart Chambers

For a complete list of videos, visit our video library