Q. How is the magnetic field strength defined?

View solution

Q. What is the permeability of free space?

View solution

Q. How is magnetic moment determined?

View solution

Q. The measure of a material which helps to determine whether it is attracted to or repelled from a magnetic field is known as _______

View solution

Q. _______ is a weak magnetizing effect in which magnetic lines of force are repelled.

View solution

Q. Which material is considered as perfectly diamagnetic?

View solution

Q. _______ is a weak magnetizing effect in which the material is attracted due to the application of magnetic force.

View solution

Q. What is the temperature at which a phase transition from ferromagnetic to paramagnetic occurs?

View solution

Q. What is the temperature at which a change from the anti-ferromagnetic phase to paramagnetic phase occurs?

View solution

Q. The hysteresis loss in soft magnetic materials must be kept ______

View solution

Q. The supermaloy primarily composed of ________________

View solution

Q. Which of the following is an example of soft magnetic material?

View solution

Q. What is the relative permeability of iron?

View solution

Q. The heat treatment of alnico alloys at _____ results in phase separation.

View solution

Q. What is the hysteresis loss of permalloy?

View solution

Q. Which of the following is a property of a hard magnetic material?

View solution

Q. A _____ cooling rate solidifies metallic glass made from iron- base alloys.

View solution

Q. Which of the following is not a use of magnesium-manganese ferrites?

View solution

Q. Yttrium-iron-garnet is used as microwave isolators in the ____ range.

View solution

Q. What is the coercive force of high carbon steel?

View solution