Question 1

If the total current equals  0 A  in a four-branch parallel circuit, the trouble is that______

Accepted Answer

A)  three of the resistors have opened 
B)  one of the resistors has shorted 
C)  one resistor has opened 
D)  the power supply is off 
A)  three of the resistors have opened 
B)  one of the resistors has shorted 
C)  one resistor has opened 
D)  the power supply is off

Question 2

The total power dissipated by a parallel circuit can be found by adding the individual powers.

Accepted Answer

A) True 
 B)False

Question 3

If one branch of a parallel circuit shorts, the total resistance decreases.

Accepted Answer

A) True 
 B)False

Question 4

Accurate troubleshooting of a parallel circuit cannot be performedW ith a voltmeter.

Accepted Answer

A) True 
 B)False

Question 5

A short in one branch of a parallel circuit results in:

Accepted Answer

A) increased circuit resistance. 
B) decreased power consumption. 
C) increasedVoltage drops in the remaining branches. 
D) increased current flow. 
A) increased circuit resistance. 
B) decreased power consumption. 
C) increasedVoltage drops in the remaining branches. 
D) increased current flow.

Question 6

In a parallel circuit, the largest amount of power is dissipated by:

Accepted Answer

A) the first resistor. 
B) the largest resistor. 
C) the smallest resistor. 
D) any resistor, since theVoltage is the same across each of the branch circuits. 
A) the first resistor. 
B) the largest resistor. 
C) the smallest resistor. 
D) any resistor, since theVoltage is the same across each of the branch circuits.

Question 7

In a three-resistor parallel circuit,  R1=0.22  $M \Omega$ and  R2=1  $M \Omega$ . If  R T=0.1166  $M \Omega$, then what is the value of  R3  ?

Accepted Answer

A)   1.34 M$\Omega$ 
B)   0.134 M$\Omega$ 
C)   0.33 M$\Omega$ 
D)   13,400$\Omega$ 
A)   1.34 M$\Omega$ 
B)   0.134 M$\Omega$ 
C)   0.33 M$\Omega$ 
D)   13,400$\Omega$

Question 8

The current through any branch of a parallel circuit_________

Accepted Answer

A)  is directly proportional to the branch resistance 
B)  depends on the power rating of the resistor 
C)  depends only on the circuit voltage 
D)  is inversely proportional to the branch resistance 
A)  is directly proportional to the branch resistance 
B)  depends on the power rating of the resistor 
C)  depends only on the circuit voltage 
D)  is inversely proportional to the branch resistance

Question 9

If the power dissipation in each of four parallel branches is  1 W, PT  equals_______

Accepted Answer

A)   1 W 
B)   4  W 
C)   0  W 
D)   0.25  W 
A)   1 W 
B)   4  W 
C)   0  W 
D)   0.25  W

Question 10

The total resistance of four resistors in parallel is always less than the smallest resistance.

Accepted Answer

A) True 
 B)False

Question 11

If  IR1=0.065 mA and IR2=0.098 mA  in a two branch parallel circuit,IT=0.163mA

Accepted Answer

A) True 
 B)False

Question 12

If a  2.2  $k \Omega$ resistor, 10 $\mathrm { k } \Omega$ resistor and  1.2  $\mathrm { k } \Omega$ resistor are connected in parallel, the total resistance equals______

Accepted Answer

A)   721$\Omega$ 
B)   13.4  $\mathrm { k } \Omega$ 
C)   1.2 $\mathrm { k } \Omega$ 
D)   2.27  $\mathrm { k } \Omega$ 
A)   721$\Omega$ 
B)   13.4  $\mathrm { k } \Omega$ 
C)   1.2 $\mathrm { k } \Omega$ 
D)   2.27  $\mathrm { k } \Omega$

Question 13

If a  2.2  $k \Omega$ resistor and a  3.3$\mathrm { k } \Omega$  resistor are connected in parallel,  RT  equals________

Accepted Answer

A)   2.2  $\mathrm { k } \Omega$ 
B)   3.3  $\mathrm { k } \Omega$ 
C)  greater than  2.2  $\mathrm { k } \Omega$ 
D)  less than  2.2  $\mathrm { k } \Omega$ 
A)   2.2  $\mathrm { k } \Omega$ 
B)   3.3  $\mathrm { k } \Omega$ 
C)  greater than  2.2  $\mathrm { k } \Omega$ 
D)  less than  2.2  $\mathrm { k } \Omega$

Question 14

If eight 47 $\mathrm { k } \Omega$ resistors are connected in parallel across a  25 V  source, $\mathrm { R } _ { \mathrm { T } }$ equals

Accepted Answer

A)  376 $\mathrm { k } \Omega$ 
B)   5.88 $\mathrm { k } \Omega$ 
C)   6.71 $\mathrm { k } \Omega$ 
D)   4.7  $\mathrm { k } \Omega$ 
A)  376 $\mathrm { k } \Omega$ 
B)   5.88 $\mathrm { k } \Omega$ 
C)   6.71 $\mathrm { k } \Omega$ 
D)   4.7  $\mathrm { k } \Omega$

Question 15

\[\text { Figure } 5 2  is  0 V. What is most likely the problem?

Accepted Answer

A)  R2 open 
B)  fuse open 
C)  R1 open 
D)  none of the above 
A)  R2 open 
B)  fuse open 
C)  R1 open 
D)  none of the above

Question 16

PR1=0.25 W  and  PR2=1.2 W  in a parallel circuit. The total power dissipated is  1.25 W .

Accepted Answer

A) True 
 B)False

Question 17

If one branch of a parallel circuit opens, the total resistance decreases.

Accepted Answer

A) True 
 B)False

Question 18

The total resistance of three parallel resistors equals the sum of the individual resistor values.

Accepted Answer

A) True 
 B)False

Question 19

$$\text { Figure } 5 < 1$$
-Refer to Figure 5-1. To accurately measure the total current for this circuit, how must the ammeter be connected?

Accepted Answer

A)  between the negative terminal and the supply and ground 
B)  between R1 and the fuse 
C)  between the positive terminal and the fuse 
D)  either  A  or C 
A)  between the negative terminal and the supply and ground 
B)  between R1 and the fuse 
C)  between the positive terminal and the fuse 
D)  either  A  or C

Question 20

Measurement of total current is accomplishedW ith the ammeter in seriesW ith the source voltage

Accepted Answer

A) True 
 B)False

If the total current equals 0 A in a four-branch parallel circuit, the trouble is that______

The total power dissipated by a parallel circuit can be found by adding the individual powers.

If one branch of a parallel circuit shorts, the total resistance decreases.

Accurate troubleshooting of a parallel circuit cannot be performedW ith a voltmeter.

A short in one branch of a parallel circuit results in:

In a parallel circuit, the largest amount of power is dissipated by:

In a three-resistor parallel circuit, R₁=0.22 $M \Omega$ and R₂=1 $M \Omega$ . If R T=0.1166 $M \Omega$ , then what is the value of R₃ ?

The current through any branch of a parallel circuit_________

If the power dissipation in each of four parallel branches is 1 W, P_T equals_______

The total resistance of four resistors in parallel is always less than the smallest resistance.

If I_R1=0.065 mA and I_R2=0.098 mA in a two branch parallel circuit,I_T=0.163mA

If a 2.2 $k \Omega$ resistor, 10 $\mathrm { k } \Omega$ resistor and 1.2 $\mathrm { k } \Omega$ resistor are connected in parallel, the total resistance equals______

If a 2.2 $k \Omega$ resistor and a 3.3 $\mathrm { k } \Omega$ resistor are connected in parallel, RT equals________

If eight 47 $\mathrm { k } \Omega$ resistors are connected in parallel across a 25 V source, $\mathrm { R } _ { \mathrm { T } }$ equals

$\text { Figure } 5 < 1 -Refer to Figure 5-1. The voltage across R<sub>2</sub> is 0 V. What is most likely the problem?$ $\text { Figure } 5 < 1$ -Refer to Figure 5-1. The voltage across R₂ is 0 V. What is most likely the problem?

P_R1=0.25 W and P_R2=1.2 W in a parallel circuit. The total power dissipated is 1.25 W .

If one branch of a parallel circuit opens, the total resistance decreases.

The total resistance of three parallel resistors equals the sum of the individual resistor values.

$\text { Figure } 5 < 1 -Refer to Figure 5-1. To accurately measure the total current for this circuit, how must the ammeter be connected?$ $\text { Figure } 5 < 1$ -Refer to Figure 5-1. To accurately measure the total current for this circuit, how must the ammeter be connected?

Measurement of total current is accomplishedW ith the ammeter in seriesW ith the source voltage

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series 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 5: Parallel Circuits

If the total current equals 0 A in a four-branch parallel circuit, the trouble is that______

The total power dissipated by a parallel circuit can be found by adding the individual powers.

If one branch of a parallel circuit shorts, the total resistance decreases.

Accurate troubleshooting of a parallel circuit cannot be performedW ith a voltmeter.

A short in one branch of a parallel circuit results in:

In a parallel circuit, the largest amount of power is dissipated by:

In a three-resistor parallel circuit, R1=0.22 MΩM \OmegaMΩ and R2=1 MΩM \OmegaMΩ . If R T=0.1166 MΩM \OmegaMΩ , then what is the value of R3 ?

The current through any branch of a parallel circuit_________

If the power dissipation in each of four parallel branches is 1 W, PT equals_______

The total resistance of four resistors in parallel is always less than the smallest resistance.

If IR1=0.065 mA and IR2=0.098 mA in a two branch parallel circuit,IT=0.163mA

If a 2.2 kΩk \OmegakΩ resistor, 10 kΩ\mathrm { k } \OmegakΩ resistor and 1.2 kΩ\mathrm { k } \OmegakΩ resistor are connected in parallel, the total resistance equals______

If a 2.2 kΩk \OmegakΩ resistor and a 3.3 kΩ\mathrm { k } \OmegakΩ resistor are connected in parallel, RT equals________

If eight 47 kΩ\mathrm { k } \OmegakΩ resistors are connected in parallel across a 25 V source, RT\mathrm { R } _ { \mathrm { T } }RT​ equals

Figure 5<1\text { Figure } 5 < 1 Figure 5<1 -Refer to Figure 5-1. The voltage across R2 is 0 V. What is most likely the problem?

PR1=0.25 W and PR2=1.2 W in a parallel circuit. The total power dissipated is 1.25 W .

If one branch of a parallel circuit opens, the total resistance decreases.

The total resistance of three parallel resistors equals the sum of the individual resistor values.

Figure 5<1\text { Figure } 5 < 1 Figure 5<1 -Refer to Figure 5-1. To accurately measure the total current for this circuit, how must the ammeter be connected?

Measurement of total current is accomplishedW ith the ammeter in seriesW ith the source voltage

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series 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 three-resistor parallel circuit, R₁=0.22 $M \Omega$ and R₂=1 $M \Omega$ . If R T=0.1166 $M \Omega$ , then what is the value of R₃ ?

If the power dissipation in each of four parallel branches is 1 W, P_T equals_______

If I_R1=0.065 mA and I_R2=0.098 mA in a two branch parallel circuit,I_T=0.163mA

If a 2.2 $k \Omega$ resistor, 10 $\mathrm { k } \Omega$ resistor and 1.2 $\mathrm { k } \Omega$ resistor are connected in parallel, the total resistance equals______

If a 2.2 $k \Omega$ resistor and a 3.3 $\mathrm { k } \Omega$ resistor are connected in parallel, RT equals________

If eight 47 $\mathrm { k } \Omega$ resistors are connected in parallel across a 25 V source, $\mathrm { R } _ { \mathrm { T } }$ equals

$\text { Figure } 5 < 1 -Refer to Figure 5-1. The voltage across R<sub>2</sub> is 0 V. What is most likely the problem?$ $\text { Figure } 5 < 1$ -Refer to Figure 5-1. The voltage across R₂ is 0 V. What is most likely the problem?

P_R1=0.25 W and P_R2=1.2 W in a parallel circuit. The total power dissipated is 1.25 W .

$\text { Figure } 5 < 1 -Refer to Figure 5-1. To accurately measure the total current for this circuit, how must the ammeter be connected?$ $\text { Figure } 5 < 1$ -Refer to Figure 5-1. To accurately measure the total current for this circuit, how must the ammeter be connected?