Question 1

In a series circuit, total power  PT is calculated as:

Accepted Answer

A)  $\mathrm { P } _ { 1 } + \mathrm { P } _ { 2 } + \mathrm { P } _ { 3 } + \text { etc. }$ 
B)  $\mathrm { P } _ { 1 } \times \mathrm { P } _ { 2 } \times \mathrm { P } _ { 3 } \times \text { etc. }$ 
C)  $1 / \mathrm { P } _ { 1 } + 1 / \mathrm { P } _ { 2 } + 1 / \mathrm { P } _ { 3 } + \mathrm { etc }$ 
D)  $\mathrm { P } _ { 1 } \div \mathrm { P } _ { 2 } \div \mathrm { P } _ { 3 } \div \text { etc. }$ 
A)  $\mathrm { P } _ { 1 } + \mathrm { P } _ { 2 } + \mathrm { P } _ { 3 } + \text { etc. }$ 
B)  $\mathrm { P } _ { 1 } \times \mathrm { P } _ { 2 } \times \mathrm { P } _ { 3 } \times \text { etc. }$ 
C)  $1 / \mathrm { P } _ { 1 } + 1 / \mathrm { P } _ { 2 } + 1 / \mathrm { P } _ { 3 } + \mathrm { etc }$ 
D)  $\mathrm { P } _ { 1 } \div \mathrm { P } _ { 2 } \div \mathrm { P } _ { 3 } \div \text { etc. }$

Question 2

What type of resistor could be used as variable voltage-divider?

Accepted Answer

A) rheostat 
B) potentiometer 
C) thermistor 
D) any one of the above 
A) rheostat 
B) potentiometer 
C) thermistor 
D) any one of the above

Question 3

Four series resistors are connected across a  30 V  source and carry  0.125mA .  If  R1=10$\mathrm { kO }$, R2=33  $\mathrm { k } \Omega$ and  R3=47  $\mathrm { k } \Omega$, what is the value of  R4  ?

Accepted Answer

A)  15 $\mathrm { k } \Omega$ 
B)   150$\Omega$ 
C)   150$\mathrm { kQ }$ 
D)   1.5$\mathrm { k } \Omega$ 
A)  15 $\mathrm { k } \Omega$ 
B)   150$\Omega$ 
C)   150$\mathrm { kQ }$ 
D)   1.5$\mathrm { k } \Omega$

Question 4

\[\text { Figure } 4 1=10  $\mathrm { k } \Omega$, R2=10  $\mathrm { k } \Omega$ and  R3=15  $k \Omega$ ?

Accepted Answer

A)  25 $\mathrm { k } \Omega$ 
B)  0 $\mathrm { k } \Omega$ 
C)   35 $\mathrm { k } \Omega$ 
D)  infinite  $\Omega$ 
A)  25 $\mathrm { k } \Omega$ 
B)  0 $\mathrm { k } \Omega$ 
C)   35 $\mathrm { k } \Omega$ 
D)  infinite  $\Omega$

Question 5

Voltage sources in series increase both voltage and current capacity.

Accepted Answer

A) True 
 B)False

Question 6

A series circuit has multiple current paths.

Accepted Answer

A) True 
 B)False

Question 7

If a   ,  ,    and  47$\Omega$
  resistor are connected in series across a  9 V battery, the current equals

Accepted Answer

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

Question 8

If a   , 220$\Omega$ . and    resistor are connected in series, total resistance equals

Accepted Answer

A)   1650$\Omega$ 
B)  the average of the three values 
C)  less than  100 $\Omega$ 
D)   650$\Omega$ 
A)   1650$\Omega$ 
B)  the average of the three values 
C)  less than  100 $\Omega$ 
D)   650$\Omega$

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

If 5 V and 16 V power supplies are connected in series aiding,W hat is the total voltage?

Accepted Answer

A) 21V 
B) 24V 
C) 80V 
D) 16V 
A) 21V 
B) 24V 
C) 80V 
D) 16V

Question 11

If 12 V and 17 V sources are Wired in series aiding,What is the total supply voltage?

Accepted Answer

A) 29V 
B) 17V 
C) 5V 
D) 12V 
A) 29V 
B) 17V 
C) 5V 
D) 12V

Question 12

If -12 V and -6 V are connected so they equal -18 V, these sources are ________.

Accepted Answer

A) connected dangerously 
B) in parallel 
C) series opposing 
D) series aiding 
A) connected dangerously 
B) in parallel 
C) series opposing 
D) series aiding

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

If a resistor is dissipating  1/4  W, it can supply  1/4 W  to the load.

Accepted Answer

A) True 
 B)False

Question 15

(a) 
Figure $4 < 2$

-Refer to Figure 4-2a. Voltage from C to ground is 100 V. What is the probable cause of failure?

Accepted Answer

A) open between E and D 
B) short between A and B 
C) open between A and B 
D) voltage reading is normal 
A) open between E and D 
B) short between A and B 
C) open between A and B 
D) voltage reading is normal

Question 16

According to Kirchhoffʹs Voltage Law, the sum of the individual voltage drops in a series circuit equals the source Voltage.

Accepted Answer

A) True 
 B)False

Question 17

\[\text { Figure } 4 1=4.7 $\mathrm { k } \Omega$ , R2=4.7 $\mathrm { k } \Omega$ and R3=4.7 $\mathrm { k } \Omega$  in Figure  4-1 .  What is  RT if  R2 shorts?

Accepted Answer

A)   4.7  $\mathrm { k } \Omega$ 
B)   0$\Omega$ 
C)   9.4 $\mathrm { k } \Omega$ 
D)  infinite  $\Omega$ 
A)   4.7  $\mathrm { k } \Omega$ 
B)   0$\Omega$ 
C)   9.4 $\mathrm { k } \Omega$ 
D)  infinite  $\Omega$

Question 18

One of the most popular applications of a potentiometer is as an adjustable voltage divider also known as a:

Accepted Answer

A) divider control. 
B) volume control. 
C) current control. 
D) voltage control. 
A) divider control. 
B) volume control. 
C) current control. 
D) voltage control.

Question 19

\[\text { Figure } 4 1=10 $\mathrm { k } \Omega$, R2=10$\mathrm { kQ }$ and  R3=15 $k \Omega$ .

Accepted Answer

A)   3.2 mA 
B)   0 A 
C)   12 mA 
D)   1.6 mA 
A)   3.2 mA 
B)   0 A 
C)   12 mA 
D)   1.6 mA

Question 20

A 50 $\mathrm { k } \Omega$ potentiometer is connected across a  15 V  source. If the voltage from the wiper to the lower end of the potentiometer is  3.2 V , what is the resistance of that lower part?

Accepted Answer

A)   39.3 $\mathrm { k } \Omega$ 
B)  50 $\mathrm { k } \Omega$ 
C)   10.7  $\mathrm { k } \Omega$ 
D)     
A)   39.3 $\mathrm { k } \Omega$ 
B)  50 $\mathrm { k } \Omega$ 
C)   10.7  $\mathrm { k } \Omega$ 
D)

In a series circuit, total power P_T is calculated as:

What type of resistor could be used as variable voltage-divider?

Four series resistors are connected across a 30 V source and carry 0.125mA . If R1=10 $\mathrm { kO }$ , R2=33 $\mathrm { k } \Omega$ and R3=47 $\mathrm { k } \Omega$ , what is the value of R4 ?

Voltage sources in series increase both voltage and current capacity.

A series circuit has multiple current paths.

If a 100 $If a 100 , 220 \Omega . and 330 resistor are connected in series, total resistance equals$ , 220 $\Omega$ . and 330 $If a 100 , 220 \Omega . and 330 resistor are connected in series, total resistance equals$ resistor are connected in series, total resistance equals

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

If 5 V and 16 V power supplies are connected in series aiding,W hat is the total voltage?

If 12 V and 17 V sources are Wired in series aiding,What is the total supply voltage?

If -12 V and -6 V are connected so they equal -18 V, these sources are ________.

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

If a resistor is dissipating 1/4 W, it can supply 1/4 W to the load.

(a) Figure $4 < 2$ -Refer to Figure 4-2a. Voltage from C to ground is 100 V. What is the probable cause of failure?

According to Kirchhoffʹs Voltage Law, the sum of the individual voltage drops in a series circuit equals the source Voltage.

One of the most popular applications of a potentiometer is as an adjustable voltage divider also known as a:

A 50 $\mathrm { k } \Omega$ potentiometer is connected across a 15 V source. If the voltage from the wiper to the lower end of the potentiometer is 3.2 V , what is the resistance of that lower part?

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

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

Exam 4: Series Circuits

In a series circuit, total power PT is calculated as:

What type of resistor could be used as variable voltage-divider?

Four series resistors are connected across a 30 V source and carry 0.125mA . If R1=10 kO\mathrm { kO }kO , R2=33 kΩ\mathrm { k } \OmegakΩ and R3=47 kΩ\mathrm { k } \OmegakΩ , what is the value of R4 ?

Figure 4<1\text { Figure } 4 < 1 Figure 4<1 -What is the total resistance in Figure 4-1 if R1=10 kΩ\mathrm { k } \OmegakΩ , R2=10 kΩ\mathrm { k } \OmegakΩ and R3=15 kΩk \OmegakΩ ?

Voltage sources in series increase both voltage and current capacity.

A series circuit has multiple current paths.

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

If a 100, 220 Ω\OmegaΩ . and 330 resistor are connected in series, total resistance equals

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

If 5 V and 16 V power supplies are connected in series aiding,W hat is the total voltage?

If 12 V and 17 V sources are Wired in series aiding,What is the total supply voltage?

If -12 V and -6 V are connected so they equal -18 V, these sources are ________.

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

If a resistor is dissipating 1/4 W, it can supply 1/4 W to the load.

(a) Figure 4<24 < 24<2 -Refer to Figure 4-2a. Voltage from C to ground is 100 V. What is the probable cause of failure?

According to Kirchhoffʹs Voltage Law, the sum of the individual voltage drops in a series circuit equals the source Voltage.

Figure 4<1\text { Figure } 4 < 1 Figure 4<1 - R1=4.7 kΩ\mathrm { k } \OmegakΩ , R2=4.7 kΩ\mathrm { k } \OmegakΩ and R3=4.7 kΩ\mathrm { k } \OmegakΩ in Figure 4-1 . What is RT if R2 shorts?

One of the most popular applications of a potentiometer is as an adjustable voltage divider also known as a:

Figure 4<1\text { Figure } 4 < 1 Figure 4<1 -Calculate the current in Figure 4-1 if VR1\mathrm { VR } 1VR1 =16 V, R1=10 kΩ\mathrm { k } \OmegakΩ , R2=10 kQ\mathrm { kQ }kQ and R3=15 kΩk \OmegakΩ .

A 50 kΩ\mathrm { k } \OmegakΩ potentiometer is connected across a 15 V source. If the voltage from the wiper to the lower end of the potentiometer is 3.2 V , what is the resistance of that lower part?

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

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

In a series circuit, total power P_T is calculated as:

Four series resistors are connected across a 30 V source and carry 0.125mA . If R1=10 $\mathrm { kO }$ , R2=33 $\mathrm { k } \Omega$ and R3=47 $\mathrm { k } \Omega$ , what is the value of R4 ?

If a 100 $If a 100 , 220 \Omega . and 330 resistor are connected in series, total resistance equals$ , 220 $\Omega$ . and 330 $If a 100 , 220 \Omega . and 330 resistor are connected in series, total resistance equals$ resistor are connected in series, total resistance equals

(a) Figure $4 < 2$ -Refer to Figure 4-2a. Voltage from C to ground is 100 V. What is the probable cause of failure?

A 50 $\mathrm { k } \Omega$ potentiometer is connected across a 15 V source. If the voltage from the wiper to the lower end of the potentiometer is 3.2 V , what is the resistance of that lower part?