Series Circuits MCQs with Explanations

Zero is the correct answer to “All the voltage drops and the source voltage added together in a series circuit is equal to”. This question is standard in competitive examination syllabi for Series Circuits.

220 Ω is the correct answer to “Four equal-value resistors are in series with a 12 V battery and 13.63 mA are measured. The value of each resistor is”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “‘Series aiding’ is a term sometimes used to describe voltage sources of the same polarity in series.”. This question is standard in competitive examination syllabi for Series Circuits.

720 Ω is the correct answer to “A series circuit consists of three resistors with values of 120 Ω, 270 Ω, and 330 Ω. The total resistance is”. This question is standard in competitive examination syllabi for Series Circuits.

32.6 mA is the correct answer to “A 12 V battery is connected across a series combination of 68 Ω, 47 Ω, 220 Ω, and 33 Ω. The amount of current is”. This question is standard in competitive examination syllabi for Series Circuits.

8.39 V is the correct answer to “Two resistors are in series: a 5.6 kΩ resistor and a 4.7 kΩ resistor. The voltage drop across the 5.6 kΩ resistor is 10 V. The voltage across the 4.7 kΩ resistor is”. This question is standard in competitive examination syllabi for Series Circuits.

3 W is the correct answer to “The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates”. This question is standard in competitive examination syllabi for Series Circuits.

3 A is the correct answer to “Five resistors are connected in a series and there is a current of 3 A into the first resistor. The amount of current into the second resistor is”. This question is standard in competitive examination syllabi for Series Circuits.

False is the correct answer to “The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.”. This question is standard in competitive examination syllabi for Series Circuits.

30 V is the correct answer to “There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage is”. This question is standard in competitive examination syllabi for Series Circuits.

9,600 Ω is the correct answer to “A series circuit consists of three resistors. Two resistors are 1.2 kΩ each. The total resistance is 12 kΩ. The value of the third resistor is”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.”. This question is standard in competitive examination syllabi for Series Circuits.

False is the correct answer to “A short in a series circuit prevents current.”. This question is standard in competitive examination syllabi for Series Circuits.

At any point in the circuit is the correct answer to “To measure the current out of the second resistor in a circuit consisting of four resistors, an ammeter can be placed”. This question is standard in competitive examination syllabi for Series Circuits.

The 12 kΩ is the correct answer to “A series circuit consists of a 4.7 kΩ, a 12 kΩ, and a 2.2 kΩ resistor. The resistor that has the most voltage drop is”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “The sum of all the voltage drops around a single closed loop in a circuit is zero.”. This question is standard in competitive examination syllabi for Series Circuits.

Increases is the correct answer to “When one of three series resistors is removed from a circuit and the circuit is reconnected, the current”. This question is standard in competitive examination syllabi for Series Circuits.

230 mA is the correct answer to “Three 680 Ω resistors are connected in series with a 470 V source. Current in the circuit is”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “The term 'series opposing' means that sources are in series with opposite polarities.”. This question is standard in competitive examination syllabi for Series Circuits.

27 mA is the correct answer to “A certain series circuit consists of a $$\frac{1}{8}$$ W resistor, a $$\frac{1}{4}$$ W resistor and a $$\frac{1}{2}$$ W resistor. The total resistance is 1200 Ω. If each resistor is operating in the circuit at its maximum power dissipation, total current flow is”. This question is standard in competitive examination syllabi for Series Circuits.

0 A is the correct answer to “Two 1.5 V cells are connected series opposing across two 100 Ω resistors in series. Total current flow is”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “In a series circuit, the individual powers are additive.”. This question is standard in competitive examination syllabi for Series Circuits.

One 220 Ω resistor is the correct answer to “Which of the following series combinations dissipates the most power when connected across a 120 V source”. This question is standard in competitive examination syllabi for Series Circuits.

False is the correct answer to “A series circuit acts as a current divider.”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “A series circuit acts as a voltage divider.”. This question is standard in competitive examination syllabi for Series Circuits.

6.91 % is the correct answer to “The total resistance of a circuit is 680 Ω. The percentage of the total voltage appearing across a 47 Ω resistor that makes up part of the total series resistance is”. This question is standard in competitive examination syllabi for Series Circuits.

44,800 Ω is the correct answer to “The total resistance of eight 5.6 kΩ resistors in series is”. This question is standard in competitive examination syllabi for Series Circuits.

Increases is the correct answer to “When a fourth resistor is connected in series with three resistors, the total resistance”. This question is standard in competitive examination syllabi for Series Circuits.

18 V is the correct answer to “If a 24 V and a 6 V battery are series opposing, the total voltage is”. This question is standard in competitive examination syllabi for Series Circuits.

15 V is the correct answer to “If a 6 V and a 9 V source are connected series aiding, the total voltage is”. This question is standard in competitive examination syllabi for Series Circuits.

6 mA is the correct answer to “The following resistors (one each) are connected in a series circuit: 470 Ω, 680 Ω, 1 kΩ, and 1.2 kΩ. The voltage source is 20 V. Current through the 680 Ω resistor is approximately”. This question is standard in competitive examination syllabi for Series Circuits.

5 mA is the correct answer to “Two 6 V batteries are connected series aiding across two 1.2 kΩ resistors in series. Current through each resistor is”. This question is standard in competitive examination syllabi for Series Circuits.

200 mA is the correct answer to “A series circuit has a 24 V source and a total resistance of 120 Ω. The current through each resistor is”. This question is standard in competitive examination syllabi for Series Circuits.

True is the correct answer to “The voltage at one point in a circuit is always measured relative to another point.”. This question is standard in competitive examination syllabi for Series Circuits.

6 V is the correct answer to “A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is”. This question is standard in competitive examination syllabi for Series Circuits.