The parallel combination of a 6.8 k≈í¬© resistor and a 10 k≈í¬© resistor is in series with the parallel combination of a 2.2 k≈í¬© resistor and a 1 k≈í¬© resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)%!

2.2 k≈í¬© and 1 k≈í¬©

6.8 k≈í¬© and 10 k≈í¬©

2.2 k≈í¬© and 1 k≈í¬©

The parallel combination of a 470 ≈í¬© resistor and a 1.2 k≈í¬© resistor is in series with the parallel combination of three 3 k≈í¬© resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of%!

470 ≈í¬© or 1.2 k≈í¬©

26 + Mcqs in Series Parallel Circuits in Electrical Engineering Page 1 McqOptions

1.	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

2.	The parallel combination of a 470 ≈í¬© resistor and a 1.5 k≈í¬© resistor is in series with the parallel combination of five 1 k≈í¬© resistors. The source voltage is 50 V. The percentage of the load current through any single 1 K≈í¬© resistor is%!
A.	25 %
B.	20 %
C.	100 %
D.	50 %
Answer» C. 100 %

Discussion

3.	A resistor ladder network is a special type of series-parallel circuit.%!
A.	True
B.	False
Answer» B. False

Discussion

4.	Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.%!
A.	True
B.	False
Answer» B. False

Discussion

5.	Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.%!
A.	True
B.	False
Answer» B. False

Discussion

6.	Two equal-value resistors in series will divide the source voltage equally.%!
A.	True
B.	False
Answer» B. False

Discussion

7.	The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.%!
A.	True
B.	False
Answer» C.

Discussion

8.	The parallel combination of a 6.8 k≈í¬© resistor and a 10 k≈í¬© resistor is in series with the parallel combination of a 2.2 k≈í¬© resistor and a 1 k≈í¬© resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)%!
A.	6.8 k≈í¬©
B.	2.2 k≈í¬©
C.	6.8 k≈í¬© and 10 k≈í¬©
D.	2.2 k≈í¬© and 1 k≈í¬©
Answer» D. 2.2 k≈í¬© and 1 k≈í¬©

Discussion

9.	A balanced Wheatstone bridge consists of an RV of 3,500 ≈í¬©, an R2 of 200 ≈í¬©, and an R3 of 680 ≈í¬©. The value of RUNK is%!
A.	680 ≈í¬©
B.	1,029 ≈í¬©
C.	200 ≈í¬©
D.	880 ≈í¬©
Answer» C. 200 ≈í¬©

Discussion

10.	Three 10 k≈í¬© resistors are connected in series. A 20 k≈í¬© resistor is connected in parallel across one of the 10 k≈í¬© resistors. The voltage source is 24 V. The total current in the circuit is%!
A.	900 ≈í¬∫A
B.	9 mA
C.	90 mA
D.	800 ≈í¬∫A
Answer» B. 9 mA

Discussion

11.	In a certain five-step R/2R ladder network, the smallest resistor value is 1 k≈í¬©. The largest value is%!
A.	Indeterminable
B.	2 k≈í¬©
C.	10 k≈í¬©
D.	20 k≈í¬©
Answer» C. 10 k≈í¬©

Discussion

12.	A certain Wheatstone bridge has the following resistor values: R1 = 10 k≈í¬©, R2 = 720 ≈í¬©, and R4 = 2.4 k≈í¬©. The unknown resistance is%!
A.	24 ≈í¬©
B.	2.4 ≈í¬©
C.	300 ≈í¬©
D.	3,000 ≈í¬©
Answer» E.

Discussion

13.	A Wheatstone bridge consists of four resistors in parallel.%!
A.	True
B.	False
Answer» C.

Discussion

14.	A Wheatstone bridge is often shown in a "diamond" configuration.%!
A.	True
B.	False
Answer» B. False

Discussion

15.	The parallel combination of a 470 ≈í¬© resistor and a 1.2 k≈í¬© resistor is in series with the parallel combination of three 3 k≈í¬© resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of%!
A.	470 ≈í¬© or 1.2 k≈í¬©
B.	3 k≈í¬©
C.	470 ≈í¬©
D.	1.2 k≈í¬©
Answer» D. 1.2 k≈í¬©

Discussion

16.	A certain circuit is composed of two parallel resistors. The total resistance is 1,403 ≈í¬©. One of the resistors is 2 k≈í¬©. The other resistor value is%!
A.	1,403 ≈í¬©
B.	4.7 k≈í¬©
C.	2 k≈í¬©
D.	3,403 ≈í¬©
Answer» C. 2 k≈í¬©

Discussion

17.	A voltage divider consists of two 100 k≈í¬© resistors and a 12 V source. What will the output voltage be if a load resistor of 1 M≈í¬© is connected to the output?%!
A.	0.57 V
B.	6 V
C.	12 V
D.	5.7 V
Answer» E.

Discussion

18.	Two 3.3 k≈í¬© resistors are in series and this series combination is in parallel with a 4.7 k≈í¬© resistor. The voltage across one of the 3.3 k≈í¬© resistors is 12 V. The voltage across the 4.7 k≈í¬© resistor is%!
A.	24 V
B.	12 V
C.	0 V
D.	6 V
Answer» B. 12 V

Discussion

19.	To derive 18 V and 12 V from a 24 V supply requires a voltage divider with three taps.%!
A.	True
B.	False
Answer» B. False

Discussion

20.	The parallel combination of a 470 ≈í¬© resistor and a 680 ≈í¬© resistor is in series with the parallel combination of four 2 k≈í¬© resistors. The total resistance is%!
A.	1,650 ≈í¬©
B.	1,078 ≈í¬©
C.	77.8 ≈í¬©
D.	778 ≈í¬©
Answer» E.

Discussion

21.	Two 1.2 k≈í¬© resistors are in series and this series combination is in parallel with a 3.3 k≈í¬© resistor. The total resistance is%!
A.	138 ≈í¬©
B.	1,389 ≈í¬©
C.	5,700 ≈í¬©
D.	880 ≈í¬©
Answer» C. 5,700 ≈í¬©

Discussion

22.	/_Two 1.2 k≈í¬© resistors are in series and this series combination is in parallel with a 3.3 k≈í¬© resistor. The total resistance is?
A.	138 ≈í¬©
B.	1,389 ≈í¬©
C.	5,700 ≈í¬©
D.	880 ≈í¬©
Answer» C. 5,700 ≈í¬©

Discussion

23.	/_A certain voltage divider consists of two 12 k≈í¬© resistors in series. Which of the following load resistors will have the most effect on the output voltage??
A.	1 M≈í¬©
B.	24 k≈í¬©
C.	18 k≈í¬©
D.	12 k≈í¬©
Answer» E.

Discussion

24.	_ A certain voltage divider consists of two 12 k≈í¬© resistors in series. Which of the following load resistors will have the most effect on the output voltage?$?
A.	1 M≈í¬©
B.	24 k≈í¬©
C.	18 k≈í¬©
D.	12 k≈í¬©
Answer» E.

Discussion

25.	_A certain voltage divider consists of three 1 k≈í¬© resistors in series. Which of the following load resistors will have the least effect on the output voltage?$?
A.	1 M≈í¬©
B.	100 k≈í¬©
C.	1 k≈í¬©
D.	330 ≈í¬©
Answer» B. 100 k≈í¬©

Discussion

26.	A 6 V battery output is divided down to obtain two output voltages. Three 2.2 k≈í¬© 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

Explore topic-wise MCQs in Electrical Engineering.

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

The parallel combination of a 470 ≈í¬© resistor and a 1.5 k≈í¬© resistor is in series with the parallel combination of five 1 k≈í¬© resistors. The source voltage is 50 V. The percentage of the load current through any single 1 K≈í¬© resistor is%!

A resistor ladder network is a special type of series-parallel circuit.%!

Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.%!

Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.%!

Two equal-value resistors in series will divide the source voltage equally.%!

The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.%!

The parallel combination of a 6.8 k≈í¬© resistor and a 10 k≈í¬© resistor is in series with the parallel combination of a 2.2 k≈í¬© resistor and a 1 k≈í¬© resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)%!

A balanced Wheatstone bridge consists of an RV of 3,500 ≈í¬©, an R2 of 200 ≈í¬©, and an R3 of 680 ≈í¬©. The value of RUNK is%!

Three 10 k≈í¬© resistors are connected in series. A 20 k≈í¬© resistor is connected in parallel across one of the 10 k≈í¬© resistors. The voltage source is 24 V. The total current in the circuit is%!

In a certain five-step R/2R ladder network, the smallest resistor value is 1 k≈í¬©. The largest value is%!

A certain Wheatstone bridge has the following resistor values: R1 = 10 k≈í¬©, R2 = 720 ≈í¬©, and R4 = 2.4 k≈í¬©. The unknown resistance is%!

A Wheatstone bridge consists of four resistors in parallel.%!

A Wheatstone bridge is often shown in a "diamond" configuration.%!

The parallel combination of a 470 ≈í¬© resistor and a 1.2 k≈í¬© resistor is in series with the parallel combination of three 3 k≈í¬© resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of%!

A certain circuit is composed of two parallel resistors. The total resistance is 1,403 ≈í¬©. One of the resistors is 2 k≈í¬©. The other resistor value is%!

A voltage divider consists of two 100 k≈í¬© resistors and a 12 V source. What will the output voltage be if a load resistor of 1 M≈í¬© is connected to the output?%!

Two 3.3 k≈í¬© resistors are in series and this series combination is in parallel with a 4.7 k≈í¬© resistor. The voltage across one of the 3.3 k≈í¬© resistors is 12 V. The voltage across the 4.7 k≈í¬© resistor is%!

To derive 18 V and 12 V from a 24 V supply requires a voltage divider with three taps.%!

The parallel combination of a 470 ≈í¬© resistor and a 680 ≈í¬© resistor is in series with the parallel combination of four 2 k≈í¬© resistors. The total resistance is%!

Two 1.2 k≈í¬© resistors are in series and this series combination is in parallel with a 3.3 k≈í¬© resistor. The total resistance is%!

*/*_Two 1.2 k≈í¬© resistors are in series and this series combination is in parallel with a 3.3 k≈í¬© resistor. The total resistance is?

*/*_A certain voltage divider consists of two 12 k≈í¬© resistors in series. Which of the following load resistors will have the most effect on the output voltage??

_ A certain voltage divider consists of two 12 k≈í¬© resistors in series. Which of the following load resistors will have the most effect on the output voltage?$?

_A certain voltage divider consists of three 1 k≈í¬© resistors in series. Which of the following load resistors will have the least effect on the output voltage?$?

A 6 V battery output is divided down to obtain two output voltages. Three 2.2 k≈í¬© resistors are used to provide the two taps. The two output voltages are$

/_Two 1.2 k≈í¬© resistors are in series and this series combination is in parallel with a 3.3 k≈í¬© resistor. The total resistance is?

/_A certain voltage divider consists of two 12 k≈í¬© resistors in series. Which of the following load resistors will have the most effect on the output voltage??