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

Author Question: The Hall effect can be used to do all of the following EXCEPT a. measure the density of charge ... (Read 29 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jul 28, 2018
The Hall effect can be used to do all of the following EXCEPT
  a. measure the density of charge carriers.
  b. measure the sign of charge carriers.
  c. prove that some metals and semiconductors use hole conduction.
  d. generate a steady current perpendicular to the current flowing through a wire.
  e. measure magnetic fields.

Question 2

The electrical resistivity of a semiconductor
 
a. becomes quite large at high temperatures.
  b. becomes quite large at low temperatures.
  c. is fairly independent of temperature.
  d. is much lower than the resistivity of a metal at room temperature.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

b.
The Hall effect can be used to measure the sign of charge carriers by noting the sign on the hall potential difference VH.

Answer to Question 2

b.
The electrical resistivity grows quite large at low temperatures


burton19126

  • Member
  • Posts: 532
Reply 2 on: Jul 28, 2018
Wow, this really help

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

The Coriolis effect and wind direction. The Coriolis effect and wind direction.
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Types of Problems Used to Measure Intelligence Types of Problems Used to Measure Intelligence
To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ... To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
Doppler effect Doppler effect
Insolation and the Greenhouse Effect Insolation and the Greenhouse Effect
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library