NCCER 26404 BASIC ELECTRICAL THEROY COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
An SCR is made from adjoining layers of semiconductor material in the .
Ans: PNPN arrangement
Question: In the figure provided, the lead marked A is the transistor .
Ans: emitter
Question: AC power can be converted to DC power using .
Ans: rectifier diodes
Question: A transistor is made by joining .
Ans: three layers of semiconductor material
Question: The figure provided shows the electrical symbol for a(n) .
Ans: NPN transistor
Question: A device that can be described as a diac with a gate terminal
added is a(n) ________.
Ans: triac
Question: Silicon is widely used as a semiconductor because it .