When a ferromagnetic rod is placed in a solenoid with current, what h – McqOptions

MCQOPTIONS

1.	When a ferromagnetic rod is placed in a solenoid with current, what happens to the rod?
A.	Retentivity increases
B.	Coercivity Increases
C.	Permanently Magnetized
D.	Nothing
Answer» D. Nothing

Discussion

No Comment Found

Related MCQs

Which of the following conditions are desired in the core of an electromagnet?
If the number of atoms in the domain in ferromagnetic iron, in the form of a cube of side length 1μm, is 8.65 X 1010 atoms and dipole moment of each iron atom is 9.27 X 10-24 Am2, what is the maximum Magnetization of the domain?
What does the following curve show?
When a ferromagnetic rod is placed in a solenoid with current, what happens to the rod?
The value of B at H=0 in a Hysteresis curve is called ___________
At high temperature a Ferro magnet becomes __________
Which of the following is not a constituent of Alnico?
Superconductors are diamagnetic materials.
Materials in which magnetization persists even after the field has been removed are called ___________
The phenomenon of perfect diamagnetism is called ___________