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

Author Question: A 4.0-W resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the ... (Read 103 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jul 28, 2018
A 4.0-W resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the resistor during this time interval?
 a. 7.5  1021
  b. 5.6  1021
  c. 6.6  1021
  d. 8.4  1021
  e. 2.1  1021

Question 2

A rod of 2.0-m length and a square (2.0 mm  2.0 mm) cross section is made of a material with a resistivity of 6.0  10-8 W  m. If a potential difference of 0.50 V is placed across the ends of the rod, at what rate is heat generated in the rod?
 a. 3.0 W
  b. 5.3 W
  c. 8.3 W
  d. 1.3 W
  e. 17 W


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


mcmcdaniel

  • Member
  • Posts: 550
Reply 2 on: Jul 28, 2018
Gracias!

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
Drawing of Central PompeII In Its Current State Drawing of Central PompeII In Its Current State
North Atlantic Current North Atlantic Current
At 19 months, Merr would clearly pass the 17-month item on the Bayley Scales At 19 months, Merr would clearly pass the 17-month item on the Bayley Scales
A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current I is ... A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current I is ...
How much voltage does the resistor drop in Figure 10-2? a. 59 mV b. 19.94 V c. 20 V d. 10 V How much voltage does the resistor drop in Figure 10-2? a. 59 mV b. 19.94 V c. 20 V d. 10 V
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library