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ESCO ELICTRICAL TEST QUESTIONS AND CORRECT
ANSWERS 2024/2025 GRADED A+.
What is current flow? - (answers)D.The flow of electrons in a circuit
What is impedance? - (answers)A.Opposition to alternating current
Like charges will - (answers)B.Repel each other
Any material that will readily release electrons is called: - (answers)B.A conductor
The symbol for current is: - (answers)B. I
Electricity can produce: - (answers)D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: - (answers)B.Green
An electron has: - (answers)B.A negative charge
, 2
Which of the following materials would be best suited for use as a semi-
conductor? - (answers)D.Silicon
Which of the following meters must use internal power to check a load or circuit?
- (answers)A.Ohmmeter
What would be the result if a 24 volt, 20 ohm contactor coil was wired in series
with a 24 volt, 200 ohm control relay? - (answers)B.Only the control relay would
operate
Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power
supply. How many Watts are consumed? - (answers)C. 2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: -
(answers)B.Measure low resistance then return to a high reading
How much resistance must be placed in a 120 volt circuit to limit the current to 2
amps? - (answers)A.60 ohms
What is resistance? - (answers)A.Opposition to electron flow
In electrical wiring, a black colored wire indicates: - (answers)A. A hot conductor
ESCO ELICTRICAL TEST QUESTIONS AND CORRECT
ANSWERS 2024/2025 GRADED A+.
What is current flow? - (answers)D.The flow of electrons in a circuit
What is impedance? - (answers)A.Opposition to alternating current
Like charges will - (answers)B.Repel each other
Any material that will readily release electrons is called: - (answers)B.A conductor
The symbol for current is: - (answers)B. I
Electricity can produce: - (answers)D. All the above
light
heat
magnetism
The safety ground conductor is usually colored: - (answers)B.Green
An electron has: - (answers)B.A negative charge
, 2
Which of the following materials would be best suited for use as a semi-
conductor? - (answers)D.Silicon
Which of the following meters must use internal power to check a load or circuit?
- (answers)A.Ohmmeter
What would be the result if a 24 volt, 20 ohm contactor coil was wired in series
with a 24 volt, 200 ohm control relay? - (answers)B.Only the control relay would
operate
Three defrost heaters, each 15 ohms, are wired in parallel to a 120 volt power
supply. How many Watts are consumed? - (answers)C. 2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: -
(answers)B.Measure low resistance then return to a high reading
How much resistance must be placed in a 120 volt circuit to limit the current to 2
amps? - (answers)A.60 ohms
What is resistance? - (answers)A.Opposition to electron flow
In electrical wiring, a black colored wire indicates: - (answers)A. A hot conductor
