''An object does not get affected by a magnet''. It means that the object is made of ___________ material.
Elastic
Magnetic
Plastic
Non-magnetic
Non-magnetic material does not get attracted towards magnet.
Select the correct option:
I) A magnetic needle responds to the Earth’s magnetic field.
II) A magnetic needle gets deflected when a magnet is brought near it.
III) A magnetic needle is made up of a non-magnetic material.
Material A gets magnetised under the influence of external magnetic field while material B does not get magnetised. Material A retains the acquired magnetism for a long time. Material C magnetises under the influence of a magnetic field and does not retain it for a long time. Which of them is the most suitable to make electromagnets?
Plastic is not a magnetic material.
Which of the following does not affect the magnetic properties of a material?