NCCER MODULE 4 EXAM QUESTIONS
AND ANSWERS 2026
If a circuit has a voltage of 240V across two parallel branches with current loads of 20A
and 25A what is the total current? - ANSWERS45 A
If a circuit has a voltage of 120V across two parallel branches with current loads of 10A
and 20A, what is the total current? - ANSWERS30 A
What is the total current with an input voltage of 120V and three resistors in series with
values of 5 ohms, 10 ohms, and 15 ohms? - ANSWERS4 A
What type of circuit is one where a circuit diagram shows that circuit divides into
separate branches, but there are also series loads? - ANSWERSSeries-parallel circuits
There are three resistors in a series circuit with an applied voltage of 120V. The
voltage drop across two of the resistors is 40V each. What is the voltage drop
across the third resistor? - ANSWERS40V
If a circuit with a source of 240V is connected across three parallel 40 ohm
resistors, what is the current through EACH resistor? - ANSWERS6 or 18 idk man
What is the total resistance of four equal resistors in parallel, each with a value of 10
ohms? - ANSWERS2.5 Ohm
What is the current flowing through a hair drying that uses 1,200W of Power with an
applied voltage of 120V? - ANSWERS10 A
There are four resistors in a series circuit with an applied voltage of 120V. The
voltage drop across the three resistors is 10V each. What is the voltage drop
across the fourth resistor? - ANSWERS90V
What is the current flowing through a light bulb that uses 10W of power when
placed across a 20V battery? - ANSWERS0.5 A
According to Kirchoff's current law, what is the total current in in a parallel circuit equal
to? - ANSWERSSum of current flowing through each path
According to Kirchoff's voltage law, what is the total voltage drop in a circuit
equal to? - ANSWERSSource voltage of the circuit
What is the total resistance of three resistors in parallel with values of 2 ohms, 4 ohms,
and 4 ohms? - ANSWERS1 Ohm
AND ANSWERS 2026
If a circuit has a voltage of 240V across two parallel branches with current loads of 20A
and 25A what is the total current? - ANSWERS45 A
If a circuit has a voltage of 120V across two parallel branches with current loads of 10A
and 20A, what is the total current? - ANSWERS30 A
What is the total current with an input voltage of 120V and three resistors in series with
values of 5 ohms, 10 ohms, and 15 ohms? - ANSWERS4 A
What type of circuit is one where a circuit diagram shows that circuit divides into
separate branches, but there are also series loads? - ANSWERSSeries-parallel circuits
There are three resistors in a series circuit with an applied voltage of 120V. The
voltage drop across two of the resistors is 40V each. What is the voltage drop
across the third resistor? - ANSWERS40V
If a circuit with a source of 240V is connected across three parallel 40 ohm
resistors, what is the current through EACH resistor? - ANSWERS6 or 18 idk man
What is the total resistance of four equal resistors in parallel, each with a value of 10
ohms? - ANSWERS2.5 Ohm
What is the current flowing through a hair drying that uses 1,200W of Power with an
applied voltage of 120V? - ANSWERS10 A
There are four resistors in a series circuit with an applied voltage of 120V. The
voltage drop across the three resistors is 10V each. What is the voltage drop
across the fourth resistor? - ANSWERS90V
What is the current flowing through a light bulb that uses 10W of power when
placed across a 20V battery? - ANSWERS0.5 A
According to Kirchoff's current law, what is the total current in in a parallel circuit equal
to? - ANSWERSSum of current flowing through each path
According to Kirchoff's voltage law, what is the total voltage drop in a circuit
equal to? - ANSWERSSource voltage of the circuit
What is the total resistance of three resistors in parallel with values of 2 ohms, 4 ohms,
and 4 ohms? - ANSWERS1 Ohm
