In heating the ferromagnetic material by induction heating, heat is produced due to
A. Induced current flow through the charge
B. Hysteresis loss taking place below Curie temperature
C. Due to hysteresis loss as well as eddy current loss taking place in the charge
D. None of the above factors
Answer: Option C
Related Questions on Heating and Welding
A. To avoid initial rush of current
B. To avoid change in kW rating with temperature
C. Both (A) and (B)
D. Either (A) or (B)
The material of the heating element for a furnace should have
A. Lower melting point
B. Higher temperature coefficient
C. High specific resistance
D. All of the above
In induction heating __________ is abnormally high.
A. Phase angle
B. Frequency
C. Current
D. Voltage
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