This topic contains a solution. Click here to go to the answer

Author Question: A pre-electronic thermostat employs a coiled A) wire of low conductivity. B) bimetallic strip. ... (Read 77 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
A pre-electronic thermostat employs a coiled
 
  A) wire of low conductivity.
  B) bimetallic strip.
  C) tube of mercury.

Question 2

When a bimetallic bar of copper and iron strips is heated, the bar bends toward the iron strip because
 
  A) iron gets hotter before copper.
  B) copper gets hotter before iron.
  C) copper expands more than iron.
  D) iron expands more than copper.
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kusterl

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C





 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library