The first goal to accomplish in analyzing a complex series-parallel circuit is to____________?

solve for all the voltage drops

solve for the total current and resistance

In a series–parallel circuit, individual component power dissipation are calculated using_____________?

a percent of the total power depending on resistor ratios

individual component parameters

a percent of the total power depending on resistor ratios

total current squared multiplied by the resistor values

a percent of the voltage division ratio squared

29 + Mcqs in Series parallel Circuits Mcqs in Electrical Engineering Questions Page 1 McqOptions

1.	When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read_____________?
A.	twice the source voltage
B.	half the source voltage
C.	zero volts
D.	the same as the source voltage
Answer» D. the same as the source voltage

Discussion

2.	With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?
A.	200 mA
B.	400 mA
C.	600 mA
D.	800 mA
Answer» C. 600 mA

Discussion

3.	The first goal to accomplish in analyzing a complex series-parallel circuit is to____________?
A.	solve for all the voltage drops
B.	solve for the total current and resistance
C.	equate all series components
D.	equate all parallel components
Answer» C. equate all series components

Discussion

4.	The positive (+) and negative (-) ends of the battery are called ___________?
A.	circuit diagram
B.	battery knobs
C.	battery terminals
D.	battery sides
Answer» D. battery sides

Discussion

5.	In a series–parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2‘s voltage will:___________?
A.	increase
B.	remain the same
C.	decrease
D.	cannot tell
Answer» D. cannot tell

Discussion

6.	In a series–parallel circuit, individual component power dissipation are calculated using_____________?
A.	individual component parameters
B.	a percent of the total power depending on resistor ratios
C.	total current squared multiplied by the resistor values
D.	a percent of the voltage division ratio squared
Answer» B. a percent of the total power depending on resistor ratios

Discussion

7.	A Wheatstone bridge can be used to determine an unknown_____________?
A.	current
B.	voltage
C.	resistance
D.	power
Answer» D. power

Discussion

8.	If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?
A.	cannot tell
B.	remains the same
C.	increases
D.	decreases
Answer» E.

Discussion

9.	The current flowing through an unloaded voltage divider is called the____________?
A.	bleeder current
B.	load current
C.	resistor current
D.	voltage current
Answer» B. load current

Discussion

10.	A device able to supply electrical energy is a __________?
A.	nonconductor
B.	battery
C.	conductor
D.	microwave
Answer» C. conductor

Discussion

11.	A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?
A.	1 MΩ
B.	24 kΩ
C.	18 kΩ
D.	12 kΩ
Answer» E.

Discussion

12.	A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is____________?
A.	680 Ω
B.	1,029 Ω
C.	200 Ω
D.	880 Ω
Answer» C. 200 Ω

Discussion

13.	In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is___________?
A.	Indeterminable
B.	2 kΩ
C.	10 kΩ
D.	20 kΩ
Answer» C. 10 kΩ

Discussion

14.	A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are___________?
A.	2 V, 4 V
B.	2 V, 2 V
C.	2 V, 6 V
D.	4 V, 6 V
Answer» B. 2 V, 2 V

Discussion

15.	Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is___________?
A.	900 μA
B.	9 mA
C.	90 mA
D.	800 μA
Answer» B. 9 mA

Discussion

16.	The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?
A.	20,000 Ω
B.	100,000 Ω
C.	200,000 Ω
D.	1,000,000 Ω
Answer» C. 200,000 Ω

Discussion

17.	A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?
A.	1 MΩ
B.	100 kΩ
C.	1 kΩ
D.	330 Ω
Answer» B. 100 kΩ

Discussion

18.	Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is____________?
A.	138 Ω
B.	1,389 Ω
C.	5,700 Ω
D.	880 Ω
Answer» C. 5,700 Ω

Discussion

19.	The parallel combination of a 470 Ω resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KΩ resistor is__________?
A.	25 %
B.	20 %
C.	100 %
D.	50 %
Answer» C. 100 %

Discussion

20.	The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is___________?
A.	1,650 Ω
B.	1,078 Ω
C.	77.8 Ω
D.	778 Ω
Answer» E.

Discussion

21.	On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?
A.	1 V
B.	50 V
C.	500 V
D.	1,000 V
Answer» E.

Discussion

22.	The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________?
A.	6.8 kΩ
B.	2.2 kΩ
C.	6.8 kΩ and 10 kΩ
D.	2.2 kΩ and 1 kΩ
Answer» D. 2.2 kΩ and 1 kΩ

Discussion

23.	A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately___________?
A.	14 mA
B.	1.4 mA
C.	5 mA
D.	50 mA
Answer» C. 5 mA

Discussion

24.	A voltage divider consists of two 100 kΩ resistors and a 12 V source. What will the output voltage be if a load resistor of 1 MΩ is connected to the output?
A.	0.57 V
B.	6 V
C.	12 V
D.	5.7 V
Answer» E.

Discussion

25.	A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is______________?
A.	12 V
B.	24 V
C.	0 V
D.	6 V
Answer» B. 24 V

Discussion

26.	A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is_____________?
A.	24 Ω
B.	2.4 Ω
C.	300 Ω
D.	3,000 Ω
Answer» E.

Discussion

27.	A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 kΩ. The other resistor value is____________?
A.	1,403 Ω
B.	4.7 kΩ
C.	2 kΩ
D.	3,403 Ω
Answer» C. 2 kΩ

Discussion

28.	Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is_________?
A.	24 V
B.	12 V
C.	0 V
D.	6 V
Answer» B. 12 V

Discussion

29.	The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of____________?
A.	470 Ω or 1.2 kΩ
B.	3 kΩ
C.	470 Ω
D.	1.2 kΩ
Answer» D. 1.2 kΩ

Discussion

Explore topic-wise MCQs in Electrical Engineering Questions.

When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read_____________?

With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?

The first goal to accomplish in analyzing a complex series-parallel circuit is to____________?

The positive (+) and negative (-) ends of the battery are called ___________?

In a series–parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2‘s voltage will:___________?

In a series–parallel circuit, individual component power dissipation are calculated using_____________?

A Wheatstone bridge can be used to determine an unknown_____________?

If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?

The current flowing through an unloaded voltage divider is called the____________?

A device able to supply electrical energy is a __________?

A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?

A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is____________?

In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is___________?

A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are___________?

Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is___________?

The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?

A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?

Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is____________?

The parallel combination of a 470 Ω resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KΩ resistor is__________?

The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is___________?

On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?

The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________?

A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately___________?

A voltage divider consists of two 100 kΩ resistors and a 12 V source. What will the output voltage be if a load resistor of 1 MΩ is connected to the output?

A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is______________?

A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is_____________?

A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 kΩ. The other resistor value is____________?

Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is_________?

The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of____________?