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

Author Question: A pre-electronic thermostat employs a coiled A) wire of low conductivity. B) bimetallic strip. ... (Read 87 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


folubunmi

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 29, 2018
Thanks


kusterl

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 29, 2018
Welcome :)


« 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?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

The Instability Strip The Instability Strip
A medical assistant performs a spirometry test using electronic health record software. A medical assistant performs a spirometry test using electronic health record software.
Comparison of Paper Medical Records and Electronic Health Records Comparison of Paper Medical Records and Electronic Health Records
A magnetic sensor uses a permanent magnet surrounded by a coil of wire. The notches of the ... A magnetic sensor uses a permanent magnet surrounded by a coil of wire. The notches of the ...
A “reduced power” warning light indicates a fault with the electronic throttle control system on ... A “reduced power” warning light indicates a fault with the electronic throttle control system on ...
Lead leaching from electronic waste (e-waste) Lead leaching from electronic waste (e-waste)
Video: Rods and Cones Animation

For a complete list of videos, visit our video library