The magnetic material produced from the chemical combinat...
The magnetic material produced from the chemical combination of metal oxides and has a very high resistance to electric current is called
ferrite substance
paramagnetic substance
ferromagnetic substance
diamagnetic substance
Correct answer is A
Ferrite magnets are non-conductive aferromagnetic ceramic compounds derived from iron oxides such as Haematite (Fe203) or Magnetite (Fe304) and other metal oxides such as Barium and Strontium.
Ferrite is a polycrystal, sintered material with high electrical resistivity. The high resistance of ferrite makes eddy current losses extremely low at high frequencies.
In which of these fields are repulsive forces NOT experienced? I. Magnetic field II. Gravitati...
Emission spectra are caused by ...
Which of the following phenomena is responsible for the spherical shape of soap bubbles? ...
Which of the following is not part of the electromagnetic spectrum? ...
Which of the following statements about diode is correct? ...
Which of the following actions will improve the efficiency of the pulley system? ...
The magnetic force on a charged particle moving with velocity v is...