Question and answer
How can a permanent magnet be demagnetized? 1. Cut the magnet in half. 2. Heat the magnet up. 3. Strike the magnet with a heavy blow. 4. both the second and third choices above.
4. both the second and third choices above.
Expert answered|Cluvsny|Points 230|
Question
Asked 5/7/2012 8:02:50 PM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
If you wanted to check to see if a set of Christmas lights were connected in series or parallel how could you do this?
Weegy: If one light going out causes them all to go out, that is a series circuit. [ If one light goes out and the rest remain lit, that is a parallel circuit. Read more: ] (More)
Question
Expert Answered
Asked 4/30/2012 5:31:16 PM
0 Answers/Comments
The output voltage and current of a transformer are determined by the what? 1. number of turns in the primary and secondary coils. 2. strength of the DC current in the primary coil. 3. ferromagnetic material of the rings connecting the coils. 4. direction of the current in the primary coil.
Weegy: The output voltage and current of a transformer are determined by the 1. number of turns in the primary and secondary coils. (More)
Question
Expert Answered
Asked 5/1/2012 12:05:21 PM
0 Answers/Comments
A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called a(an) what? 1. transformer. 2. generator. 3. electromagnet. 4. current meter.
Weegy: The answer is 3. an electromagnet. (More)
Question
Expert Answered
Updated 5/1/2012 12:35:14 PM
1 Answer/Comment
A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called 2. generator.
Added 5/1/2012 12:35:14 PM
This answer has been added to the Weegy Knowledgebase
21,575,567 questions answered
Popular Conversations
Solve 7x 6
Weegy: 7x + 1 User: 7 + 32 (-5 + 1) ÷ 2 User: 2(4x + 3) User: 4x + y - 2 = 0 User: What is the equation of the line, ...
7/6/2015 6:03:14 AM| 4 Answers
Ralph is 3 times as old as Sara. In 6 years, Ralph will be only twice ...
Weegy: The answer is 3x + 6 User: What is the slope of the line that is perpendicular to the line whose equation is ...
7/6/2015 7:23:07 AM| 4 Answers
2^-3
Weegy: (5)-3 is 2. User: Find the area of a regular octagon with apothem K and side of 10. Weegy: The area of a ...
7/6/2015 9:41:46 AM| 4 Answers
The ice cream shop has 80 different possible sundaes which include 1 ...
Weegy: 400 flavors. User: The first side of a triangle measures 4 in. less than the second side, the third side is 3 ...
7/6/2015 11:11:49 AM| 4 Answers
Which of the following is the general form of the equation 5x2 - ...
Weegy: The general form of the equation 5x^2 - 20x = 15 is x^2 - 4x - 3 = 0. User: Give the values of a, b, and c ...
7/6/2015 2:28:23 PM| 4 Answers
The Medical Unit is responsible for the development of the Medical ...
Weegy: The Medical Unit is responsible for the development of the Medical Plan, obtaining medical aid, and ...
7/6/2015 9:09:47 PM| 4 Answers
Integers are _____ rational numbers. always sometimes never
Weegy: A rational number is SOMETIMES an integer. User: Simplify -|-7 + 4|. -11 -3 3 11 User: Simplify 7t · s · ...
7/6/2015 11:07:01 AM| 3 Answers
Who was the leader of Iraq in 2003?
7/7/2015 1:38:07 AM| 3 Answers
Weegy Stuff
S
1
Points 179 [Total 690]| Ratings 0| Comments 179| Invitations 0|Offline
S
1
L
P
1
1
Points 169 [Total 1575]| Ratings 1| Comments 159| Invitations 0|Offline
S
Points 74 [Total 74]| Ratings 1| Comments 64| Invitations 0|Offline
S
P
C
L
P
L
1
P
P
1
P
1
P
Points 68 [Total 9597]| Ratings 1| Comments 58| Invitations 0|Offline
S
1
L
L
Points 26 [Total 8406]| Ratings 0| Comments 26| Invitations 0|Offline
S
R
Points 8 [Total 210]| Ratings 0| Comments 8| Invitations 0|Offline
S
Points 4 [Total 4]| Ratings 0| Comments 4| Invitations 0|Offline
S
L
P
P
Points 4 [Total 3563]| Ratings 0| Comments 4| Invitations 0|Offline
S
Points 4 [Total 4]| Ratings 0| Comments 4| Invitations 0|Offline
S
Points 1 [Total 1]| Ratings 0| Comments 1| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.