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Which of the following is not a ferromagnetic material?
The relative permeability of a ferromagnetic material is
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Which of the following is a ferromagnetic material?
The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the
Ferromagnetic material owe their properties to __________ inner sub-shells.
Which of the following is not used as the ceramic material in 'cermets'?
Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of
Which of the following properties is found only in ferromagnetic materials ?