Which of the following is a ferromagnetic material ? – McqOptions

MCQOPTIONS

1.	Which of the following is a ferromagnetic material ?
A.	tungsten
B.	aluminium
C.	copper
D.	nickel
Answer» E.

Discussion

No Comment Found

Related MCQs

A single core cable used on 33000 V has conductor diameter 10 mm and the in ternal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is
A capacitor in a circuit became hot and ultimately exploded due to wrong con nections, which type of capacitor it could be ?
A capacitance of 100 fiF is connected in series with a resistance of 8000 2. The time constant of the circuit is
A conductor carries 125 amperes of current under 60 to a magnetic field of 1.1 tesla. The force on the conductor will be nearly
Electric field of an infinitely long conductor of charge density , is given by E = /(2 h).aN. State True/False
Find the permittivity of the surface when a wave incident at an angle 60 is reflected by the surface at 45 in air
Given that R = 20 ohm, L = 40 mH, C = 40 F, G = 0.02 mho. Find whether the line is distortionless or not.
If V = 2x2y – 5z, find its electric field at point (-4,3,6)
Calculate the transmission coefficient, when the incident and transmittedamplitudes are 10 and 7 respectively.
The power of the electromagnetic wave with electric and magnetic field intensities givenby 12 and 15 respectively is