In the heating process of the ________type a simple method of temperature control is possible by means of a special alloy which loses its magnetic properties at a particular high temperature and regains them when cooled to a temperature below this value. (A) Indirect induction over (B) core type induction furnace (C) coreless induction furnace (D) high frequency eddy current

In the heating process of the ________type a simple method of temperature control is
possible by means of a special alloy which loses its magnetic properties at a particular
high temperature and regains them when cooled to a temperature below this value.
 (A) Indirect induction over (B) core type induction furnace
 (C) coreless induction furnace (D) high frequency eddy current
by

1 Answer

Answer :

Ans: D
 Magnetic property of alloy changes with change of the temperature and
 Heat is produced due to eddy current = i2R and i α f2
by

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