SERIES NCCER 26404 BASIC ELECTRICAL THEROY COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED AND THE LATEST SERIES

2025-2026 SERIES
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 .