Description : Magnet can be made from electric current , who invented it ?
Last Answer : It is possible to make a magnet out of an electric current.
Description : When to show a magnet made of electric current ?
Last Answer : In the 1820s , Orested made a magnet with an electric current .
Description : Do you know a good video on how a magnet is made?
Last Answer : https://www.youtube.com/watch?v=10j44cn667Q
Description : What is a temporary magnet made up of a wire rapped around a core?
Last Answer : Need answer
Description : Permanent magnet is normally made of- (a) Aluminum (b) Wrought iron (c) Cast iron (d) Alnico alloys
Last Answer : Ans: C
Description : Why is magnet always made of soft iron?
Last Answer : Ans: Magnet is always made of soft iron because ‘magnetisation’ and ‘demagnetisation’ both are possible in soft iron.
Description : The pole faces of U-shaped magnet in a moving coil galvanometer are made concave to a) decrease the strength of magnetic field b) create a non-uniform magnetic field c) make the magnetic field radial d) All of these
Last Answer : c) make the magnetic field radial
Description : A neodymium magnet is a permanent magnet made from an alloy of _________ A) Neodymium and iron B) Neodymium, iron and iodine C) Neodymium and boron D) Neodymium, iron and boron
Last Answer : A neodymium magnet is a permanent magnet made from an alloy of Neodymium, iron and boron