ESCO ELECTRICAL CERTIFICATION EXAM
(ACTUAL 2025) STUDY GUIDE QUESTIONS AND
VERIFIED ANSWERS GRADE A+
B.The voltage drop across each resistor will be the same as
the applied source voltage - <<<<Answers>>>When resistors
are wired parallel:
C. 0.10 amps - <<<<Answers>>>Which of the following is
equal to 100 milliamps?
C. Watts - <<<<Answers>>>The meter on a house measures
the ____ passing through it.
A.W = E x I - <<<<Answers>>>What is the correct formula
for determining wattage?
B.60 volts - <<<<Answers>>>A parallel circuit consists of
three resistors; R1 = 30 ohms, R2 = 15 ohms, R3 = 10 ohms.
If the current through R2 = 4 amps, what is the source
voltage?
A.100 ohms - <<<<Answers>>>Three 300 ohm resistors are
wired parallel. What is the total resistance?
, A. E/R
B.W/E
C.The square root of W/R
answer: D. all the above - <<<<Answers>>>Amps can be
calculated by:
C.IxR - <<<<Answers>>>Voltage can be calculated by:
D. Charged capacitor until it has been discharged -
<<<<Answers>>>An ohmmeter should never be connected to
a:
D. Electric motor - <<<<Answers>>>Which of the following
would be considered an inductive load?
A.Increases - <<<<Answers>>>When the temperature of a
positive temperature coefficient (PTC) thermistor increases,
its resistance:
D. Pressure - <<<<Answers>>>The most common type of
transducer used with HVAC/R equipment creates a signal
based on:
C. Generate a small DC current - <<<<Answers>>>A
thermocouple can:
(ACTUAL 2025) STUDY GUIDE QUESTIONS AND
VERIFIED ANSWERS GRADE A+
B.The voltage drop across each resistor will be the same as
the applied source voltage - <<<<Answers>>>When resistors
are wired parallel:
C. 0.10 amps - <<<<Answers>>>Which of the following is
equal to 100 milliamps?
C. Watts - <<<<Answers>>>The meter on a house measures
the ____ passing through it.
A.W = E x I - <<<<Answers>>>What is the correct formula
for determining wattage?
B.60 volts - <<<<Answers>>>A parallel circuit consists of
three resistors; R1 = 30 ohms, R2 = 15 ohms, R3 = 10 ohms.
If the current through R2 = 4 amps, what is the source
voltage?
A.100 ohms - <<<<Answers>>>Three 300 ohm resistors are
wired parallel. What is the total resistance?
, A. E/R
B.W/E
C.The square root of W/R
answer: D. all the above - <<<<Answers>>>Amps can be
calculated by:
C.IxR - <<<<Answers>>>Voltage can be calculated by:
D. Charged capacitor until it has been discharged -
<<<<Answers>>>An ohmmeter should never be connected to
a:
D. Electric motor - <<<<Answers>>>Which of the following
would be considered an inductive load?
A.Increases - <<<<Answers>>>When the temperature of a
positive temperature coefficient (PTC) thermistor increases,
its resistance:
D. Pressure - <<<<Answers>>>The most common type of
transducer used with HVAC/R equipment creates a signal
based on:
C. Generate a small DC current - <<<<Answers>>>A
thermocouple can:
