Author Question: The power rating of a 400- resistor is 0.800 W. (a) What is the maximum safe voltage across this ... (Read 354 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
The power rating of a 400- resistor is 0.800 W.
 
  (a) What is the maximum safe voltage across this resistor?
  (b) What is the maximum current the resistor can safely draw?

Question 2

A laser beam takes 24 ms to travel from a rocket to the reflective surface of a planet and back to the rocket. How far is the rocket from this planet's surface? (c = 3.0  108 m/s)
 
  A) 1800 km B) 1200 km C) 3600 km D) 4800 km E) 2400 km



Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

(a) 17.9 V (b) 44.7 mA

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

For a complete list of videos, visit our video library