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)`

They hysteresis loss for a speciment of iron weighing 12 kg is equivalent to 300 J m^-3 cyc^-1 . Find the loss of energy per hour at 50 cycles s^-1 . Given, density of iron = 7,500 kg m^-3

For a specimen of iron weighing 15 kg the hysteresis loss is equivalent to 400 Jm^(-3) /cycle. Calculate the loss of energy per hour at 60 cycle/ s. Take density of iron = 7,500 kg//m^3

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 .

30cm^(3) of iron weighs 234g. Find its density in kg m^(-3) .

The mass of 1 litre of water is 1 kg. Find the density of water in kg m^(-3)

A piece of iron has a volume of 25 cm^3 and mass 195 g. Find the density of iron in kg m^(-3)

An iron ball has an air space in it, the ball weights ong kg in air and O-6 kg in water. Find the volume of the air space. Density of iron is 7200 kg 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.

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

What will be the energy loss per hour in the iron core of a transformet if the area of its hysteresis loop isequivalent to 2500erg//cm^(3) . The frequence of alternating current is 50 Hz , The mass of core is 10 kg and the density of iron is 7.5gm//cm^(3) .