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

Author Question: A superconductor is A) a conductor of electric charge that has sufficient cross-sectional area to ... (Read 60 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
on: Jul 28, 2018
A superconductor is
 
  A) a conductor of electric charge that has sufficient cross-sectional area to make its resistance nearly zero.
  B) a conductor of electric charge that has zero resistance when subjected to very low temperatures.
  C) a conductor of electric charge that exhibits a negative resistance effect.
  D) a conductor of electric charge that exhibits zero resistance only in zero-gravity conditions.

Question 2

Which one of these materials has a positive temperature coefficient?
 
  A) Glass B) Rubber C) Copper D) Germanium


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


daltonest1984

  • Member
  • Posts: 536
Reply 2 on: Jul 28, 2018
Wow, this really help

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Lateral Cross Section of the Nose Lateral Cross Section of the Nose
Broca’s Area Broca’s Area
Circular movement of ice over lateral area just distal to the elbow. Use medium pressure to apply ... Circular movement of ice over lateral area just distal to the elbow. Use medium pressure to apply ...
Take Charge of Your Blood Pressure! Take Charge of Your Blood Pressure!
Punnett square of the dihybrid cross shown in Figure 3.8. There are two combinations of dominant and Punnett square of the dihybrid cross shown in Figure 3.8. There are two combinations of dominant and
Conductor Physics Conductor Physics
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library