ELECTRICAL THEORY
FINAL EXAM 2024
QUESTIONS WITH
ANSWERS SCORED A+
EWRB
Evatee 10/5/24 EWRB
, EWRB BASIC ELECTRICAL THEORY FINAL
EXAM 2024 QUESTIONS WITH ANSWERS
SCORED A+
Electricity:
An electrical arc blast can vaporize metal parts and produces an explosive and
deadly pressure wave. How many degrees fahrenheit can an electrical arc blast
reach? Answer - 30,000 degrees Fahrenheit
Electric Motors:
Does the electric motor work on the principle of the attracting and repelling
forces of magnetic fields? Answer - Yes
Electromagnetic Relay:
Is a holding relay primarily used for worker convenience? Answer - No
Current Flow On The Neutral Conductor:
A balanced 3-wire, 120/240, single-phase circuit is connected so that the
ungrounded conductors are from different transformer phases (line 1 and Line
2.) The current on the neutral conductor will be how much percent of the
ungrounded conductor current? Answer - 0%