NCCER Electrical Level 1 Mod 4 exam 2023 with 100% correct answers
Which of the following is true regarding a series circuit? - correct answerThe current flow is the same through all resistors.
Which of the following is true regarding a parallel circuit? - correct answerIt has more than one path for current to flow.
Which of the following is true regarding a series-parallel circuit? - correct answerIf 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 answer15A
Who stated that the current entering a point must equal the total current leaving that point? - correct answerKirchoff
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 answer3V
You can use Ohm's law to find the value of each branch current in a parallel circuit. - correct answerTrue
Find the total resistance in a series circuit with three resistances of 100Ω, 20Ω, and 30Ω. - correct answer60
In a parallel circuit, the voltage across each path is equal to the _____________. - correct answerapplied
voltage
Which of the following is true regarding a series circuit? - correct answerThe current flow is the same through all resistors.
Which of the following is true regarding a parallel circuit? - correct answerIt has more than one path for current to flow.
Which of the following is true regarding a series-parallel circuit? - correct answerIf 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 answer15A
Who stated that the current entering a point must equal the total current leaving that point? - correct answerKirchoff
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 answer3V
You can use Ohm's law to find the value of each branch current in a parallel circuit. - correct answerTrue
Find the total resistance in a series circuit with three resistances of 100Ω, 20Ω, and 30Ω. - correct answer60
In a parallel circuit, the voltage across each path is equal to the _____________. - correct answerapplied
voltage
