For the following questions answer them individually
LED lamp have a general life expectancy of
Cutting plier use for electrical work must have
The unit of luminousfluxis
A zero watt lamp consumes
A DC generator used for AC welding should have ....../
The welding electric circuit is ......
Direct resistance heating is used in
The main drawbackof resistance welding is
The process of adding, impurities to a semiconductor is known as ......
In a p-n junction the potential barrier is due to the charges on either side of the junction. These charges are