NCCER Electrical module 3 (intro to
electrical circuits) Exam Questions and
Answers 100% Pass
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? -
✔✔500w
voltage is defined as the? - ✔✔driving force that makes current flow in a circuit
if a curcuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is?
- ✔✔240 volts
if two 10 ohm resistors are connected in series, what is the total resistance of the
resistors? - ✔✔20 ohms
to make sure the voltage is turned off before touching any terminals, use a? - ✔✔voltage
tester
how many amos are there in the current of a circuit if the voltage source is 140v and the
resistance is 2 omhs - ✔✔70
Katelyn Whitman, All Rights Reserved © 2025 1
electrical circuits) Exam Questions and
Answers 100% Pass
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? -
✔✔500w
voltage is defined as the? - ✔✔driving force that makes current flow in a circuit
if a curcuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is?
- ✔✔240 volts
if two 10 ohm resistors are connected in series, what is the total resistance of the
resistors? - ✔✔20 ohms
to make sure the voltage is turned off before touching any terminals, use a? - ✔✔voltage
tester
how many amos are there in the current of a circuit if the voltage source is 140v and the
resistance is 2 omhs - ✔✔70
Katelyn Whitman, All Rights Reserved © 2025 1
