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

Author Question: Proximity detectors ususally use a _______ switch in conjunction with a magnet. A) reed B) ... (Read 56 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
on: Jul 28, 2018
Proximity detectors ususally use a _______ switch in conjunction with a magnet.
 
  A) reed B) optical C) solenoid D) normally closed

Question 2

The magnetic field around an electromagnet is produced by ________.
 
  A) the conductor's permeability B) the laminated iron core
  C) a current flowing through the winding D) a permanent magnet


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: Jul 28, 2018
:D TYSM

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

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

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Magnet Poles Magnet Poles
The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ... The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...
The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure. The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure.
When the teacher about to switch the PowerPoint and you still not done taking notes When the teacher about to switch the PowerPoint and you still not done taking notes
Gestalt Principle: Proximity Gestalt Principle: Proximity
The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ... The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ...
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library