The hysteresis loss for a specimen of iron weighing 12kg is 250 J/m3 cycle .The density of iron is 7500kg/m3 .The energy loss at a frequency of 50 cycle/s in 20 minute is

The hyterisis loss for a sample of 12kg is 300Jm^-3cycl e^-1 . If density of iron is 7500kg//m^3 , calculate energy loss per hour at 50cycl e//sec .

The hysteresis loss for a specimen of iron weighing 15kg is equivalent at 300Jm^(-3)cycle^(-1) Find the loss of energy per hour at 25 cycle s^(-1) . Density of iron is 7500kg m^(-3)

Hysterisis loss for a sample of 120kg is 300Jm^-3//cycl e . Frequency of supply is 50cycl e//s . If density of iron is 7500kg//m^3 , find energy loss in 60 minutes.

The hysterisis loss of a sample of iron is 300Jm^-3 cycl e^-1 . If density of iron is 7500kg//m^3 and mass of iron piece is 15kg , calculate energy lost/hour when the frequency of magnetisation/demagnetisation used in 50c//s .

If the density of a block is 981 kg//m^(3) then it shall

The volume of a piece of iron is 15cm^(3) and its mass is 117g. The density of iron in g//cm^(3) and kg//m^(3) is

Find the mass of 555cm^(3) of iron in kg when density of iron is 7.6g//cm^(3)

The density of alcohol is 800kg//m^(3) . Then the density in g//cm^(3) is _______

An iron sample having mass 8*4kg is repeatedly taken over cycles of magnetisation and demagnetisation at a frequency of 50cps . It is found that energy of 3*2xx10^4J is dissipated as heat in the sample in 30 minutes. If the density of iron is 7200kg//m^3 , calculate the value of energy dissipated per unit volume per cycle in the iron sample.