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NCCER ELECTRICAL LEVEL 1 MOD 4
ELECTRICAL THEORY UPDATED EXAM
WITH VERIFIED SOLUTIONS.
1. Kirchhoff's voltage law states that the algebraic sum of the
voltages around any closed current path is ________. - correct
answer - zero
2. Two 24Ω resistors are in parallel, and a 42Ω resistor is in series
with the combination. When 78V is applied to the three
resistors, the voltage drop across the 42Ω resistor is about
____________. - correct answer - 60.5V
3. What is the total resistance of three resistors in parallel with
values of 2 ohms, 8 ohms, and 14 ohms? - correct answer -
1.44ohms
4. What is the resistance of a light bulb that uses 15 watts of
power when placed across a 15volt battery? - correct answer -
15
