SSC JE EE Quiz : Utilization and Electrical Energy Booster Quiz-8

In indirect core type of furnace, the element is heated by induction, which transfer the heat to the charge by

For improving the power factor of coreless type induction furnace,

High frequency eddy current heating is used for

The rate of heat produced by dielectric heating is increased by

Reduction factor of a source of light is the ratio of its

The artificial source of light is

Nitrogen is added with the argon in an incandescent lamp to

The inside wall of fluorescent tube is coated with

The heat required by the weld is produced due to the contact resistance between the two pieces and is

For welding aluminium alloys, the electrodes used are