Author Question: If the rotating coil used in a generator has its radius doubled, what change results in the ... (Read 53 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
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
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

For a complete list of videos, visit our video library