Author Question: The power rating of a 400- resistor is 0.800 W. (a) What is the maximum safe voltage across this ... (Read 359 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?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library