Question 1

Kirchhoff's Voltage Law states that the algebraic sum of all the voltages around a closed path is zero.

Accepted Answer

A) True 
 B)False  True

Question 2

Based upon electron current flow, the polarity on the side of the resistor where current enters is . The polarity on the side of the resistor where current exits is .

Accepted Answer

A) positive, positive 
B) negative, positive 
C) negative, negative 
D) positive, negative 
A) positive, positive 
B) negative, positive 
C) negative, negative 
D) positive, negative B

Question 3

A short in a series circuit results in:

Accepted Answer

A) decreased or reduced current flow. 
B) decreased power consumption. 
C) increased circuit resistance. 
D) increased or maximum current flow. 
A) decreased or reduced current flow. 
B) decreased power consumption. 
C) increased circuit resistance. 
D) increased or maximum current flow. D

Question 4

Three resistors are connected in series across a 60 V source. If VR1 = 19 V and VR2 = 14.3 V, then what is the voltage drop across R3?

Accepted Answer

A) 45.7 V 
B) 19 V 
C) 14.3 V 
D) 26.7 V 
A) 45.7 V 
B) 19 V 
C) 14.3 V 
D) 26.7 V

Question 5

In a series circuit, the current is the same at every point in the circuit.

Accepted Answer

A) True 
 B)False

Question 6

If five equal resistors dissipate a total of 10 W in a series circuit, how much power does each resistor dissipate?

Accepted Answer

A) 10 W 
B) 2 W 
C) 50 W 
D) 5 W 
A) 10 W 
B) 2 W 
C) 50 W 
D) 5 W

Question 7

If a 68 Ω, 33 Ω, 100 Ω and 47 Ω resistor are connected in series across a 9 V battery, the current equals .

Accepted Answer

A) 27.6 A 
B) 22.3 mA 
C) 36.3 mA 
D) 327 mA 
A) 27.6 A 
B) 22.3 mA 
C) 36.3 mA 
D) 327 mA

Question 8

-Calculate VT in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

Accepted Answer

A) 112 V 
B) 24 V 
C) 56 V 
D) 16 V 
A) 112 V 
B) 24 V 
C) 56 V 
D) 16 V

Question 9

If 6.8 kΩ, 1.2 kΩ and 5.6 kΩ resistors are wired in series, the total resistance is 13.6 kΩ.

Accepted Answer

A) True 
 B)False

Question 10

- The resistor between points E and D looks charred. What most likely would cause this?

Accepted Answer

A) open A and the power supply 
B) short between A and B 
C) short between A and D 
D) Any of these could cause this problem. 
A) open A and the power supply 
B) short between A and B 
C) short between A and D 
D) Any of these could cause this problem.

Question 11

-What is the total resistance in Figure 4 -1 if R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ?

Accepted Answer

A) 0 kΩ 
B) 25 kΩ 
C) 35 kΩ 
D) infinite Ω 
A) 0 kΩ 
B) 25 kΩ 
C) 35 kΩ 
D) infinite Ω

Question 12

There is a type of analog -to -digital converter that uses a voltage divider string to perform the conversion. This type of ADC is called

Accepted Answer

A) s series converter 
B) a sigma -delta converter 
C) a flash converter 
D) all of the above 
A) s series converter 
B) a sigma -delta converter 
C) a flash converter 
D) all of the above

Question 13

The voltage drop across any resistor or combination of resistors in a series circuit equals:

Accepted Answer

A) the applied voltage across the resistor (
A) . 
B) the product of the circuit current times the resistance value. 
C) the ratio of the resistance values to the total resistance times the source voltage. 
D) all of these. 
A) the applied voltage across the resistor (
A) . 
B) the product of the circuit current times the resistance value. 
C) the ratio of the resistance values to the total resistance times the source voltage. 
D) all of these.

Question 14

How much voltage is dropped across R2 and R3 in Figure 4 -1 if R1 = 4.7 kΩ, VR1 = 10 V, R2 = 4.7 kΩ and R3 = 4.7 kΩ?

Accepted Answer

A) VR2 = 4.7 V, VR3 = 10 V 
B) VR2 = 10 V, VR3 = 4.7 V 
C) VR2 = 10 V, VR3 = 10 V 
D) VR2 = 14.7 V, VR3 = 14.7 V 
A) VR2 = 4.7 V, VR3 = 10 V 
B) VR2 = 10 V, VR3 = 4.7 V 
C) VR2 = 10 V, VR3 = 10 V 
D) VR2 = 14.7 V, VR3 = 14.7 V

Question 15

Total power dissipated in a series circuit equals source voltage multiplied by current.

Accepted Answer

A) True 
 B)False

Question 16

Two 100 kΩ resistors are wired in series across a 20 V source. How much voltage does each resistor drop?

Accepted Answer

A) 100 kΩ 
B) 10 V 
C) 20 V 
D) 100 mA 
A) 100 kΩ 
B) 10 V 
C) 20 V 
D) 100 mA

Question 17

-The voltage produced by a single solar cell is

Accepted Answer

A) 18 V 
B) 24 V 
C) 0.5 V 
D) 0.7 V 
A) 18 V 
B) 24 V 
C) 0.5 V 
D) 0.7 V

Question 18

Calculate VT in Figure 4 -1 if R1 = 4.7 kΩ, VR1 = 10 V, R2 = 4.7 kΩ and R3 = 4.7 kΩ.

Accepted Answer

A) 14.7 V 
B) 10 V 
C) 4.7 V 
D) 30 V 
A) 14.7 V 
B) 10 V 
C) 4.7 V 
D) 30 V

Question 19

A 22 kΩ and 12 kΩ resistor are connected across a 68 V source. How is the voltage divided?

Accepted Answer

A) 22 V and 12 V 
B) 34 V and 34 V 
C) 68 V and 68 V 
D) 44 V and 24 V 
A) 22 V and 12 V 
B) 34 V and 34 V 
C) 68 V and 68 V 
D) 44 V and 24 V

Question 20

-Calculate PT in Figure 4 -1 if VT = 100 V and all three resistors are each 47 kΩ.

Accepted Answer

A) 22 W 
B) 709 mW 
C) 23.6 mW 
D) 70.9 mW 
A) 22 W 
B) 709 mW 
C) 23.6 mW 
D) 70.9 mW

Kirchhoff's Voltage Law states that the algebraic sum of all the voltages around a closed path is zero.

Based upon electron current flow, the polarity on the side of the resistor where current enters is . The polarity on the side of the resistor where current exits is .

A short in a series circuit results in:

Three resistors are connected in series across a 60 V source. If VR1 = 19 V and VR2 = 14.3 V, then what is the voltage drop across R3?

In a series circuit, the current is the same at every point in the circuit.

If five equal resistors dissipate a total of 10 W in a series circuit, how much power does each resistor dissipate?

If a 68 Ω, 33 Ω, 100 Ω and 47 Ω resistor are connected in series across a 9 V battery, the current equals .

-Calculate VT in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

If 6.8 kΩ, 1.2 kΩ and 5.6 kΩ resistors are wired in series, the total resistance is 13.6 kΩ.

- The resistor between points E and D looks charred. What most likely would cause this?

-What is the total resistance in Figure 4 -1 if R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ?

There is a type of analog -to -digital converter that uses a voltage divider string to perform the conversion. This type of ADC is called

The voltage drop across any resistor or combination of resistors in a series circuit equals:

How much voltage is dropped across R2 and R3 in Figure 4 -1 if R1 = 4.7 kΩ, VR1 = 10 V, R2 = 4.7 kΩ and R3 = 4.7 kΩ?

Total power dissipated in a series circuit equals source voltage multiplied by current.

Two 100 kΩ resistors are wired in series across a 20 V source. How much voltage does each resistor drop?

-The voltage produced by a single solar cell is

Calculate VT in Figure 4 -1 if R1 = 4.7 kΩ, VR1 = 10 V, R2 = 4.7 kΩ and R3 = 4.7 kΩ.

A 22 kΩ and 12 kΩ resistor are connected across a 68 V source. How is the voltage divided?

-Calculate PT in Figure 4 -1 if VT = 100 V and all three resistors are each 47 kΩ.

Systems, Quantities, and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rccircuits

Inductors

Rlcircuits

Rlccircuits and Resonance

Transformers

Time Response of Reactive Circuits

Filters

Exam 4: Series Circuits

Kirchhoff's Voltage Law states that the algebraic sum of all the voltages around a closed path is zero.

Based upon electron current flow, the polarity on the side of the resistor where current enters is . The polarity on the side of the resistor where current exits is .

A short in a series circuit results in:

Three resistors are connected in series across a 60 V source. If VR1 = 19 V and VR2 = 14.3 V, then what is the voltage drop across R3?

In a series circuit, the current is the same at every point in the circuit.

If five equal resistors dissipate a total of 10 W in a series circuit, how much power does each resistor dissipate?

If a 68 Ω, 33 Ω, 100 Ω and 47 Ω resistor are connected in series across a 9 V battery, the current equals .

-Calculate VT in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

If 6.8 kΩ, 1.2 kΩ and 5.6 kΩ resistors are wired in series, the total resistance is 13.6 kΩ.

- The resistor between points E and D looks charred. What most likely would cause this?

-What is the total resistance in Figure 4 -1 if R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ?

There is a type of analog -to -digital converter that uses a voltage divider string to perform the conversion. This type of ADC is called

The voltage drop across any resistor or combination of resistors in a series circuit equals:

How much voltage is dropped across R2 and R3 in Figure 4 -1 if R1 = 4.7 kΩ, VR1 = 10 V, R2 = 4.7 kΩ and R3 = 4.7 kΩ?

Total power dissipated in a series circuit equals source voltage multiplied by current.

Two 100 kΩ resistors are wired in series across a 20 V source. How much voltage does each resistor drop?

-The voltage produced by a single solar cell is

Calculate VT in Figure 4 -1 if R1 = 4.7 kΩ, VR1 = 10 V, R2 = 4.7 kΩ and R3 = 4.7 kΩ.

A 22 kΩ and 12 kΩ resistor are connected across a 68 V source. How is the voltage divided?

-Calculate PT in Figure 4 -1 if VT = 100 V and all three resistors are each 47 kΩ.

Systems, Quantities, and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rccircuits

Inductors

Rlcircuits

Rlccircuits and Resonance

Transformers

Time Response of Reactive Circuits

Filters