Electrical Theory NCCER 26104-14 Exam
Questions and Complete Solutions
Graded A+
The voltage drop across the parallel resistors shown in the figure above is_____. - Answer: a. 17.3 volts
What is the total resistance of the circuit in the figure above? (Figure 1) - Answer: b. 24.17 ohms
How many amps of current would flow through the circuit in the figure above? - Answer: c. 4.14
What is the total resistance of three resistors in parallel with values of 2 ohms, 8 ohms, and 14 ohms? -
Answer: a. 1.44ohms
What is the resistance of a light bulb that uses 15 watts of power when placed across a 15-volt battery? -
Answer: b. 15 ohms
What is the total resistance of three resistors in parallel with values of 4 ohms, 10 ohms, and 25 ohms? -
Answer: c. 2.56 ohms
If R3 was removed from the circuit in the figure above, how many amps of current would flow through
the circuit? - Answer: a. 4
What is the total resistance of the circuit in the figure above? (Figure 2) - Answer: b. 29 ohms
If a circuit with a source of 200 volts is connected across four parallel 50- ohms resistors, the current
through each resistor is ______. - Answer: d. 4 amps
According to Kirchoff's current law, the current in a parallel circuit is equal to_______. - Answer: a. The
sum of the currents in each branch
Questions and Complete Solutions
Graded A+
The voltage drop across the parallel resistors shown in the figure above is_____. - Answer: a. 17.3 volts
What is the total resistance of the circuit in the figure above? (Figure 1) - Answer: b. 24.17 ohms
How many amps of current would flow through the circuit in the figure above? - Answer: c. 4.14
What is the total resistance of three resistors in parallel with values of 2 ohms, 8 ohms, and 14 ohms? -
Answer: a. 1.44ohms
What is the resistance of a light bulb that uses 15 watts of power when placed across a 15-volt battery? -
Answer: b. 15 ohms
What is the total resistance of three resistors in parallel with values of 4 ohms, 10 ohms, and 25 ohms? -
Answer: c. 2.56 ohms
If R3 was removed from the circuit in the figure above, how many amps of current would flow through
the circuit? - Answer: a. 4
What is the total resistance of the circuit in the figure above? (Figure 2) - Answer: b. 29 ohms
If a circuit with a source of 200 volts is connected across four parallel 50- ohms resistors, the current
through each resistor is ______. - Answer: d. 4 amps
According to Kirchoff's current law, the current in a parallel circuit is equal to_______. - Answer: a. The
sum of the currents in each branch
