©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
Esco Electrical Certification Exam Questions
And Answers |Latest 2025 | Guaranteed Pass
What is current flow? - Answer✔The flow of electrons in a circuit.
What is impedance? - Answer✔opposition to alternating currents
Like charges will - Answer✔Repel each other
Any material that will readily release electrons is called - Answer✔conductor
Symbol for current - Answer✔I (amps)
Electricity can produce: - Answer✔All the above
light
heat
magnetism
The safety ground conductor is usually colored: - Answer✔Green
An electron has a ____ - Answer✔negative charge
Which of the following materials would be best suited for use as a semi-conductor? -
Answer✔Silicon
1|Page
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
Which of the following meters must use internal power to check a load or circuit? -
Answer✔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? - Answer✔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? - Answer✔2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: -
Answer✔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? -
Answer✔60 ohms
What is resistance? - Answer✔opposition to electron flow
In electrical wiring, a black colored wire indicates - Answer✔A hot conductor
How many watts are used by a heater operating on 460 volts and drawing 5 amps? -
Answer✔2300
How are fuses sized?
A: By amperage
B: By microfarads
2|Page
Esco Electrical Certification Exam Questions
And Answers |Latest 2025 | Guaranteed Pass
What is current flow? - Answer✔The flow of electrons in a circuit.
What is impedance? - Answer✔opposition to alternating currents
Like charges will - Answer✔Repel each other
Any material that will readily release electrons is called - Answer✔conductor
Symbol for current - Answer✔I (amps)
Electricity can produce: - Answer✔All the above
light
heat
magnetism
The safety ground conductor is usually colored: - Answer✔Green
An electron has a ____ - Answer✔negative charge
Which of the following materials would be best suited for use as a semi-conductor? -
Answer✔Silicon
1|Page
, ©FYNDLAY 2025 ALL RIGHTS RESERVED 11:49 AM A+
Which of the following meters must use internal power to check a load or circuit? -
Answer✔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? - Answer✔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? - Answer✔2880
When testing a capacitor with an analog or digital ohmmeter, the meter should: -
Answer✔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? -
Answer✔60 ohms
What is resistance? - Answer✔opposition to electron flow
In electrical wiring, a black colored wire indicates - Answer✔A hot conductor
How many watts are used by a heater operating on 460 volts and drawing 5 amps? -
Answer✔2300
How are fuses sized?
A: By amperage
B: By microfarads
2|Page
