Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

Electromagnet
Asked by | 21 Mar, 2008, 05:00: AM
answered-by-expert Expert Answer

Electromagnet stops behaving as magnet as soon as source of magnetism (electricity) is removed where as permanent magnet behave as a magnet for ever.

If steel is used as core material instaed of iron then it makes permanent magnet.

Regards

Toppersexpert.

 

Answered by | 22 Mar, 2008, 02:40: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Physics
Plssss answer..... Assertion: Magnetic field lines never intersect each other. Reason: If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
Asked by sheetal.kolte | 04 Mar, 2024, 12:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what is drawn
question image
Asked by shrilakshmimunoli | 01 Mar, 2024, 01:15: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
where can i find a video on magnetic field in physics? thanks
Asked by sailakshmi.avinesh | 13 Feb, 2024, 07:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
describe an activity to plot the magnetic field around a straight current carrying conductor
Asked by avaneethr868 | 08 May, 2022, 12:05: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
speed=
Asked by aresmiarun | 01 May, 2022, 02:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
electric motor how to work
Asked by satishkharadr188 | 14 Jan, 2022, 04:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
if the current is flowing in the diretioning of magnetic field lines
Asked by ishika2004sharma12 | 10 Dec, 2021, 08:18: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
what is magnet
Asked by dilipprasadguptag6 | 13 Sep, 2021, 12:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
explain faradays experiment of magnet and coil.
Asked by deekshith.m21122006 | 24 May, 2021, 07:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
What is an electromagnet AMD what it consist of  
Asked by Pateltithi64 | 03 Feb, 2021, 10:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×