Home
Class 12
PHYSICS
The mass of a specimen of a ferromagneti...

The mass of a specimen of a ferromagnetic material is 0.6 kg. and its density is `7.8 xx 10^(3) kg//m3`. If the area of hysteresis loop of alternating magnetising field of frequency 50Hz is 0.722 MKS units then the hysteresis loss per second will be

A

`277.7xx10^(-5)` Joule

B

`277.7xx10^(-6)` Joule

C

`277.7xx10^(-4)` Joule

D

`27.77xx10^(-4)` Joule

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

If the density of copper is 8.9xx10^(3)kg//m^(3) , find its relative density.

A uniform solid sphere has a radius 0.1 m and density 6 xx 10 ^ 3 kg/ m^ 3 . Find the moment of intertia about a tangent to its surface.

The magnetic moment of a magnet of mass 75 gm is 9xx10^(-7) A-m^(2) . If the density of the material of magnet is 7.5xx10^(3) kg m^(-3) , then find intensity of magnetisation is

The density of the material of a wire used in sonometer is 7.5 xx 10^(3) kg//m^(3) If these stress on the wire is 3.0 xx 10^(8)N//m^(3) the speed of transverse wave in the wire will be -

A bar magnetic made of steel has a magnetic moment of 2*5Am^2 and a mass of 6*6g . If density of stell is 7*9xx10^-3kg//m^3 , what is the intensity of magnetisation?

The weight of a body of mass 3 kg at a height of 12.8 xx 10^(6) m from the surface of the Earth is ______.