-2027 ACTUAL COMPLETE REAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
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Carbon film resistors have which characteristic - ANSWER
-Maintain close
tolerances in response to temperature
changes
_____ have a negative temperature coefficient - ANSWER -
Thermistor
Filament resistance increases when bulb is energized
- ANSWER -
Incandescent
bulbs
Fluorescent lamps produce _______ the lumens per watt
compared to
incandescent lamps -
ANSWER -2x
How are switches rated? - ANSWER -by max current switch
can pass when
, closed
What happens to voltage in a series circuit - ANSWER -Voltage
drop is directly
proportional to
resistance
Describe current in a SERIES circuit - ANSWER -Value of
current remains
same at any
point
When resistors are placed in _____, the total circuit
resistance decreases -
ANSWER -
Parallel
How many cycles per revolution would be developed from a
single loop rotating
in a fourth pole AC generator -
ANSWER -2
Wave form that has equal alternating horizontal times of 2 fixed
values of equal
instantaneous vertical rise and fall times - ANSWER -
Square wave
Time required to generate one complete AC cycle is
called ________ -