2025-2026 SERIES
NCCER ELECTRICAL MODULE 3 (INTRO TO
ELECTRICAL CIRCUITS) COMPLETE QUESTIONS AND
CORRECT ANSWERS | GRADED AND THE LATEST
SERIES
a circuit has a source voltage of 50v and a current of 10A, what is the power in
watts?
Ans: 500w
Question: voltage is defined as the?
Ans: driving force that makes current flow in a circuit
Question: if a curcuit has 12 amps of current and the resistance is 20 ohms, the
applied voltage is?
Ans: 240 volts
Question: if two 10 ohm resistors are connected in series, what is the total
resistance of the resistors?
Ans: 20 ohms
Question: to make sure the voltage is turned off before touching any terminals,
use a?
Ans: voltage tester
NCCER ELECTRICAL MODULE 3 (INTRO TO
ELECTRICAL CIRCUITS) COMPLETE QUESTIONS AND
CORRECT ANSWERS | GRADED AND THE LATEST
SERIES
a circuit has a source voltage of 50v and a current of 10A, what is the power in
watts?
Ans: 500w
Question: voltage is defined as the?
Ans: driving force that makes current flow in a circuit
Question: if a curcuit has 12 amps of current and the resistance is 20 ohms, the
applied voltage is?
Ans: 240 volts
Question: if two 10 ohm resistors are connected in series, what is the total
resistance of the resistors?
Ans: 20 ohms
Question: to make sure the voltage is turned off before touching any terminals,
use a?
Ans: voltage tester
