COMPLETE 60 REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+
Which resistor has a single fixed terminal and shaft driven,
moveable contact - ANSWER -Rheostat
Carbon film resistors have which characteristic - ANSWER -
Maintain close tolerances in response to
temperature
changes
_____ have a negative temperature coefficient - ANSWER -
Thermistor
Phases are displaced ______ in a 3 phase generator - ANSWER -
120 degress
Using a rotating field to generate electricity, where is the
output voltage taken from to supply the load? -
ANSWER
-Stator
, There is a neutral or common connection for all three phases in
_______ stator connections - ANSWER -WYE
Wave form gradually rises and abruptly falls or vice versa is called
- ANSWER -Saw tooth wave
Moveable portion of a relay is called - ANSWER -armature
according to the domain theory of magnesium ______ - ANSWER -
Electrons can spin in either directions
Magnets created by flow of electricity are called - ANSWER -
Electro magnets
Describe current flow - ANSWER -Uniform movement of electrons
from negative to positive
What is the unit that measures the quantity of electrons passing a
given point - ANSWER -Coulomb
Name the unit used in measuring the potential difference across
two points in a circuit - ANSWER -Volt