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
20,202,483 questions answered
Popular Conversations
Solve the inequality 9(x - 3) 13/5 x 67/5
Weegy: 9(x - 3) User: Solve the inequality 8(x + 1) > 7(x + 2). x -22 x 6 Weegy: 8(x + 1) > 7(x + 2) 8x + 8 > 7x ...
3/31/2015 6:43:39 AM| 4 Answers
Solve. –5(1 – 5x) + 5(–8x – 2) = –4x – 8x
Weegy: –5(1 – 5x) + 5(–8x – 2) = –4x – 8x; -5 + 25x - 40x - 10 = -12x; -5 - 15x - 10 = -12x; -15 - 15x = -12x; ...
3/31/2015 8:56:36 AM| 3 Answers
Which is a part of the female part of the ...
Weegy: b
3/31/2015 9:03:40 AM| 3 Answers
Evaluate the expression for x = -3. x^2 - 2x + 4
Weegy: The answer is x=5. User: Solve for c. ab - c = 9 Weegy: -2(2x + 5) - 3 = -3(x - 1) -4x - 10 - 3 = -3x + 3; ...
3/31/2015 10:35:54 AM| 3 Answers
Marie Camargo was a French ballerina.
3/31/2015 5:42:44 AM| 2 Answers
President Nixon opened informal relations with China and initiated ...
Weegy: Asked Did congress know about nixons plan to bomb cambodia in 1969 and said it was the same as Who knew about ...
3/31/2015 6:11:09 AM| 2 Answers
y 4 · y 6 User: Simplify. 1.5m 7(-4m 5)2
Weegy: The simplified expression of 1.5m^7(-4m^5)^2 = 24 m^17. User: Simplify. (-4a 3)3·a 4 Weegy: (-4a^3)^3 * ...
3/31/2015 6:52:19 AM| 2 Answers
What is the length of the hypotenuse of a right triangle whose legs ...
Weegy: The length of the hypotenuse of a right triangle whose legs have lengths of 5 and 12 is 13. User: What is the ...
3/31/2015 7:00:49 AM| 2 Answers
Weegy Stuff
S
L
P
L
P
P
P
Points 15 [Total 9175]| Ratings 0| Comments 15| Invitations 0|Offline
S
L
Points 6 [Total 3609]| Ratings 0| Comments 6| Invitations 0|Online
S
P
C
L
P
L
1
P
Points 2 [Total 7879]| Ratings 0| Comments 2| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.