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 49 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
Excellent

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Chapter 7 - MasteringBiology Chapter 7 - MasteringBiology
How to convert units of any rate to another (Part 2) How to convert units of any rate to another (Part 2)
How to convert between imperial and metric units (Part 2) How to convert between imperial and metric units (Part 2)
Solid Foods Should Be Introduced Gradually after Certain Milestones Are Reached Solid Foods Should Be Introduced Gradually after Certain Milestones Are Reached
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
An inventory record sheet shows a balance on hand of 972. During the month units sold were 111, ... An inventory record sheet shows a balance on hand of 972. During the month units sold were 111, ...
Video: Causes of Angina

For a complete list of videos, visit our video library