Question 1

Given a series circuit containing resistors of different values, which statement is not true?

Accepted Answer

A)  The total resistance is the sum of the value of the resistors. 
B)  The current through each resistor is the same. 
C)  The voltage drop across each resistor is the same. 
D)  The sum of the voltage drops across each resistive element will be equal to the voltage source. 
A)  The total resistance is the sum of the value of the resistors. 
B)  The current through each resistor is the same. 
C)  The voltage drop across each resistor is the same. 
D)  The sum of the voltage drops across each resistive element will be equal to the voltage source.

Question 2

-The total resistance in the series circuit in Figure  is:

Accepted Answer

A)  498 Ω 
B)  590 Ω 
C)  534 Ω 
D)  578 Ω 
A)  498 Ω 
B)  590 Ω 
C)  534 Ω 
D)  578 Ω

Question 3

Figure 5-10
-Figure 5-10 shows 5 D-size batteries connected in a series circuit. What is the total voltage measured between points A and B?

Accepted Answer

A)  4.5 V 
B)  3.0 V 
C)  7.5 V 
D)  1.5 V 
A)  4.5 V 
B)  3.0 V 
C)  7.5 V 
D)  1.5 V

Question 4

The voltage drop across a series resistor is proportional to what other value?

Accepted Answer

A)  The wattage rating 
B)  The direction of current flow 
C)  Its own resistance 
D)  The amount of time the circuit is on 
A)  The wattage rating 
B)  The direction of current flow 
C)  Its own resistance 
D)  The amount of time the circuit is on

Question 5

The product of all the voltage drops in a series circuit will equal source voltage.

Accepted Answer

A) True 
 B)False

Question 6

The current entering a point in a circuit is equal to the current leaving the point.

Accepted Answer

A) True 
 B)False

Question 7

In a series circuit, the voltage measured across an open will be:

Accepted Answer

A)  source voltage 
B)  the normal voltage drop 
C)  zero 
D)  infinite voltage 
A)  source voltage 
B)  the normal voltage drop 
C)  zero 
D)  infinite voltage

Question 8

-Given the circuit in Figure 5-11, the voltage drop across R1 is 75 V. What is the voltage drop across R2?

Accepted Answer

A)  75 V 
B)  100 V 
C)  25 V 
D)  20 V 
A)  75 V 
B)  100 V 
C)  25 V 
D)  20 V

Question 9

Figure 5-12
-Given the circuit in Figure 5-12, the voltage drop across R3 is:

Accepted Answer

A)  0.333 V 
B)  2.22 V 
C)  3.33 V 
D)  4.44 V 
A)  0.333 V 
B)  2.22 V 
C)  3.33 V 
D)  4.44 V

Question 10

A voltage divider is a series arrangement of resistors.

Accepted Answer

A) True 
 B)False

Question 11

In a series circuit, current is not the same when measured at different points in the circuit.

Accepted Answer

A) True 
 B)False

Question 12

Kirchhoff's voltage law states that:

Accepted Answer

A)  the algebraic sum of the potential rises and drops around a closed loop is zero 
B)  the algebraic sum of the individual currents around a closed loop is zero 
C)  the algebraic sum of the resistances is equal to the sum of the voltages 
D)  the voltages developed across each element in a series circuit are identical 
A)  the algebraic sum of the potential rises and drops around a closed loop is zero 
B)  the algebraic sum of the individual currents around a closed loop is zero 
C)  the algebraic sum of the resistances is equal to the sum of the voltages 
D)  the voltages developed across each element in a series circuit are identical

Question 13

If the voltage of a lamp is to be measured by a voltmeter, then:

Accepted Answer

A)  connect the voltmeter in the same current path as the lamp 
B)  remove the lamp and put the voltmeter in the same current path as the lamp was in 
C)  open the circuit and connect the leads across the lamp 
D)  connect the leads across the lamp without opening the circuit 
A)  connect the voltmeter in the same current path as the lamp 
B)  remove the lamp and put the voltmeter in the same current path as the lamp was in 
C)  open the circuit and connect the leads across the lamp 
D)  connect the leads across the lamp without opening the circuit

Question 14

-What is the current flowing in the circuit in Figure 5-6?

Accepted Answer

A)  0.5 mA 
B)  0.05 mA 
C)  25 mA 
D)  2.5 mA 
A)  0.5 mA 
B)  0.05 mA 
C)  25 mA 
D)  2.5 mA

Question 15

Ground is a common reference point in a circuit.

Accepted Answer

A) True 
 B)False

Question 16

A voltage divider is always a:

Accepted Answer

A)  bridge circuit 
B)  series-parallel circuit 
C)  parallel circuit 
D)  series circuit 
A)  bridge circuit 
B)  series-parallel circuit 
C)  parallel circuit 
D)  series circuit

Question 17

-Given the circuit in Figure , what is the resistance value of R2?

Accepted Answer

A)  25 Ω 
B)  75 Ω 
C)  20 Ω 
D)  100 Ω 
A)  25 Ω 
B)  75 Ω 
C)  20 Ω 
D)  100 Ω

Question 18

Figure 5-7
-Given the circuit in Figure 5-7, the voltage drop across R1 is 18 V. What is the voltage drop across R2?

Accepted Answer

A)  36 V 
B)  20 V 
C)  45 V 
D)  54 V 
A)  36 V 
B)  20 V 
C)  45 V 
D)  54 V

Question 19

A series connection provides two or more paths for current to flow.

Accepted Answer

A) True 
 B)False

Question 20

Figure 5-12
-Given the circuit in Figure 5-12, the voltage drop across R1 is:

Accepted Answer

A)  33.3 V 
B)  2.22 V 
C)  3.33 V 
D)  1.22 V 
A)  33.3 V 
B)  2.22 V 
C)  3.33 V 
D)  1.22 V

Exam 5: Series Circuits

Given a series circuit containing resistors of different values, which statement is not true?

-The total resistance in the series circuit in Figure is:

Figure 5-10 -Figure 5-10 shows 5 D-size batteries connected in a series circuit. What is the total voltage measured between points A and B?

The voltage drop across a series resistor is proportional to what other value?

The product of all the voltage drops in a series circuit will equal source voltage.

The current entering a point in a circuit is equal to the current leaving the point.

In a series circuit, the voltage measured across an open will be:

-Given the circuit in Figure 5-11, the voltage drop across R1 is 75 V. What is the voltage drop across R2?

Figure 5-12 -Given the circuit in Figure 5-12, the voltage drop across R3 is:

A voltage divider is a series arrangement of resistors.

In a series circuit, current is not the same when measured at different points in the circuit.

Kirchhoff's voltage law states that:

If the voltage of a lamp is to be measured by a voltmeter, then:

-What is the current flowing in the circuit in Figure 5-6?

Ground is a common reference point in a circuit.

A voltage divider is always a:

-Given the circuit in Figure , what is the resistance value of R2?

Figure 5-7 -Given the circuit in Figure 5-7, the voltage drop across R1 is 18 V. What is the voltage drop across R2?

A series connection provides two or more paths for current to flow.

Figure 5-12 -Given the circuit in Figure 5-12, the voltage drop across R1 is:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

Rc Circuits

Rl Circuits

Rlc Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

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