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

Author Question: Various new quantities are introduced in this chapter, each having associated units. Which of the ... (Read 32 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
Various new quantities are introduced in this chapter, each having associated units. Which of the following quantities is followed by the wrong SI unit for that quantity?
  1.resistivity, m
  2.temperature coefficient of resistivity, (C)-1
  3.electric power, kWh
  4.drift speed, m/s

Question 2

An electric heater is operated with a potential difference of 100 V. If the heating element has a resistance of 20 ohms, what is the power output of the heater and what is the current through it when operating?
  1.2000 W, 5A
  2.2000 W, 25 A
  3.500 W, 5 A
  4.500 W, 25 A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dreamfighter72

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 28, 2018
Answer to Question 1

3

Answer to Question 2

3


khang

  • Member
  • Posts: 569
Reply 2 on: Jul 28, 2018
Gracias!

Laurenleakan

  • Member
  • Posts: 309
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

These monolithic figures from Easter Island suggest the contemplative nature of philosophy, which ca These monolithic figures from Easter Island suggest the contemplative nature of philosophy, which ca
Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis. Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis.
Find the final amount if the initial amount is 400 units. Find the final amount if the initial amount is 400 units.
Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ... Using a gauge that measures vacuum in units of inches of water to test the vacuum at the dipstick ...
Repeating Units of DNA and RNA Repeating Units of DNA and RNA
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library