NCCER Electrical Level 1 Mod 4
Electrical Theory 2025
Which of the following is true regarding a series circuit?
- correct
answer
✅The current flow is the same through all resistors.
Which of the following is true regarding a parallel circuit?
-
correct answer
✅It has more than one path for current to flow.
Which of the following is true regarding a series-parallel circuit?
-
correct answer
✅If a circuit is reduced to an equivalent series
circuit, the total resistance is found by adding the loads.
Two branches of a circuit (R1 and R2) across a 120V power line
draw a total line current of 30A. Branch R1 takes 15A. What is the
current I2 in branch R2?
- correct answer
✅15A
Who stated that the current entering a point must equal the total
current leaving that point?
- correct answer
✅Kirchoff
In a circuit with an applied voltage of 10V and voltage drops of E1
= 2V, E2 = 5V, and E3 = ?, the value of E3 must be____________.
-
correct answer
✅3V
You can use Ohm's law to find the value of each branch current in
a parallel circuit.
- correct answer
✅True
Find the total resistance in a series circuit with three resistances
of 100Ω, 20Ω, and 30Ω.
- correct answer
✅60
