Title: Series and Parallel Circuit Test
Course: Electrical Theory (IC 101-IC 101) > Section: Assessments

Q: A 330Ω resistor, a 270Ω resistor, and a 68Ω resistor are in parallel. The total resistance is approximately
- 668 ohms
- 47 ohms
- 68 ohms
- 22 ohms
A: 668 ohms

Q: A 9 volt battery is connected across a series combination of 68Ω, 33Ω, 100Ω, and 47Ω resistors. The amount of current is
- 36.3m A
- 27.6 A
- 22.3m A
- 363m A
A: 36.3m A

Q: A series circuit can have more than one path for current.
- True
- False
A: False

Q: A series circuit consists of a 4.7KΩ, a 5.6KΩ, and a 10KΩ resistor. The resistor that has the most voltage across it is
- the 4.7K ohm
- the 5.6K ohm
- the 10K ohm
- impossible to determine from the given information
A: the 4.7K ohm

Q: A series circuit consists of three resistors with values of 100Ω, 220Ω, and 330Ω. The total resistance is
- less than 100 ohms
- the average of the values
- 550 ohms
- 650 ohms
A: less than 100 ohms

Q: If three equal resistors are used in a voltage divider (series circuit), the voltage across each one will be one-third of the source voltage.
- True
- False
A: True

Q: If two series resistors are different sizes, the larger resistor will have the larger current.
- True
- False
A: False

Q: In a four-branch parallel circuit, there are 10mA of current in each branch. If one of the branches opens, the current in each of the other three branches is
- 13.33mA
- 10mA
- 0 A
- 30mA
A: 13.33mA

Q: In a parallel circuit, each resistor has
- the same current
- the same voltage
- the same power
A: the same current

Q: In a parallel circuit, the voltage is larger on a larger resistor and smaller on a smaller resistor.
- True
- False
A: False

Q: The following resistors are in parallel across a voltage source: 390Ω, 560Ω, and 820Ω. The resistor with the least current is
- 390 ohms
- 560 ohms
- 820 ohms
- impossible to determine without knowing the voltage
A: 390 ohms

Q: The total resistance of parallel ressitors is always smaller than the smallest resistor.
- True
- False
A: True

Q: When two resistors are in parallel, the smaller resistor will have the smaller power dissipation.
- True
- False
A: False

Q: While checking out a series resistive circuit, you find that current is higher than it should be. You should look for
- an open circuit
- a short
- a low resistor value
- both (b) and (c)
A: an open circuit

Q: Symptom: The ammeter reading is zero, the voltmeter 1 and 3 readings are zero, and the voltmeter 2 reading is 10V.
- R1 is open.
- R2 is open.
- R3 is open.
A: R1 is open.

Q: Symptom: The ammeter reading is 2.33mA, and the voltmeter 2 reading is zero.
- R1 is shorted.
- The voltage source is to high
- R2 is shorted.
- R3 is open.
A: R1 is shorted.

Q: Symptom: The ammeter is 16.7mA, and the voltmeter reading is 6V.
- R1 is open.
- R2 is open.
- R3 is open.
A: R1 is open.

Q: Symptom: The ammeter reading is 28.9mA, and the voltmeter reading is 6V.
- R1 is open.
- R2 is open.
- R3 is open.
A: R1 is open.

Q: V_2=
A: 18.181V

Q: V_3=
A: 27.272V

Q: V_T=
A: 296V

Q: I_1=
A: 65mA

Q: P_3=
A: 704.167mW

Q: P_3=
A: 1.25W

Q: R_3=
A: 2K Ohms