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ROB Electronics
Chapter 5 Parallel Circuits
59
Electrical Engineering
12th Grade
09/25/2013

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Term
parallel
Definition
When two or more components are connected across the same voltage source, they are in
Term
Conductance
Definition
the reciprocal of resistance
Term
junction
Definition
A _____________is any point in a circuit where two or more circuit paths come together
Term
equal
Definition
The sum of the currents into a junction is ___________to the sum of the currents out of that junction
Term
smaller
Definition
The total resistance of a parallel circuit is always __________ than the largest resistor value.
Term
conductance
Definition
As the number of branches is increased in a parallel circuit, the total circuit _____________increases
Term
divided
Definition
The total resistance of like-value resistors in parallel is equal to the value of the resistors ________________by the number of resistors used.
Term
current
Definition
A parallel circuit acts as a _______ divider.
Term
sum
Definition
Total power in a parallel resistive circuit is equal to the ________ of the powers of each branch.
Term
shunt
Definition
Another way to describe a parallel resistor is to say that it is in _____.
Term
increases
Definition
When one resistor in a parallel circuit opens, the total load current _______.
Term
zero
Definition
When a resistor in a parallel branch is open, the current through that branch will be ________________.
Term
illuminated
Definition
When one light bulb opens in a parallel circuit, all of the remaining light bulbs in that circuit remain ________________.
Term
500
Definition
Two resistors have a color code of Brown, Black, Red, and Gold. If they are connected in parallel, the total resistance is equal to ____________ohms.
Term
10,000
Definition
Three resistors have a color code of Orange, Black, Orange, and Gold. If they are connected in parallel, the total resistance is equal to ________ohms.
Term
25,000
Definition
Four resistors have a color code of Brown, Black, Yellow, and Gold. If they are connected in parallel, the total resistance is equal to __________ohms.
Term
there is more than one current path between two points
Definition
In a parallel resistive circuit:
Term
is equally applied to all branch conductances
Definition
The voltage across any branch of a parallel circuit:
Term
sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction
Definition
Kirchhoff's law for parallel circuits states that the:
Term
is the inverse of the total circuit conductance
Definition
The total resistance of a parallel circuit:
Term
product of their R values divided by the sum of the two resistors
Definition
The total resistance of two resistors in parallel is equal to the:
Term
multiply the desired value by the known value, then divide this product by their difference
Definition
To determine the value of a resistor to place in shunt with a known resistor to obtain a certain value of the total parallel combination:
Term
total resistance divided by that branch resistor, multiplied by the total current
Definition
The general current divider equation used to find a branch current is equal to the:
Term
total current is multiplied by the ratio of the other branch resistor, divided by the sum of the branch resistances
Definition
To find one branch current of two resistors in shunt, the:
Term
series, series
Definition
An ammeter is connected in ____ with the branch resistor to measure branch current and in ____ with the voltage supply to measure total parallel circuit current.
Term
8 ohms
Definition
32- speakers are connected in parallel. The total resistance of this parallel connection is:
Term
2.5 A
Definition
Four equal valued resistors are connected in parallel with a 12-V source. If a total current of 10 A is drawn from the source, the current through each resistor is:
Term
64 W
Definition
Two 8- speakers are connected in parallel. If an amplifier provides 16 V to this parallel connection, the total power is:
Term
1.2 amperes
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the current flowing in R1?
Term
800 milliamperes
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the current flowing in R2?
Term
545 milliamperes
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the current flowing in R3?
Term
364 milliamperes
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the current flowing in R4?
Term
255 milliamperes
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the current flowing in R5?
Term
176 milliamperes
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the current flowing in R6?
Term
14.4 watts
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the power consumed by R1?
Term
9.6 watts
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the power consumed by R2?
Term
6.545 watts
Definition
Six resistors are connected in parallel. R1 is equal to 10 ohms, R2 is equal to 15 ohms, R3 is equal to 22 ohms, R4 is equal to 33 ohms, R5 is equal to 47 ohms, and R6 is equal to 68 ohms. The voltage applied to the circuit is 12 volts DC. What is the power consumed by R3?
Term
4.7 megohms, 5%
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the value of R5?
Term
68 megohms, 5%
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the value of R6?
Term
120 milliamperes
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the current flowing through R1?
Term
8.00 milliamperes
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the current flowing through R2?
Term
545 microamperes
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the current flowing through R3?
Term
36 nanoamperes
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the current flowing through R6?
Term
436 microwatts
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the power consumed by R4?
Term
30.638 microwatts
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the power consumed by R5?
Term
2,118 nanowatts
Definition
Six resistors are connected in parallel. R1 is color-coded Brown, Black, Brown, and Gold. R2 is color-coded Brown, Green, Red, and Gold. R3 is color-coded Red, Red, Orange, and Gold. R4 is color-coded Orange, Orange, Yellow, and Gold. R5 is color-coded Yellow, Violet, Green, and Gold. R6 is color-coded Blue, Gray, Blue, and Gold. The voltage applied to the circuit is 12 volts DC. What is the power consumed by R6?
Term
1,000 ohms, 5%
Definition
Six resistors are connected in parallel. R1 is number-coded 102J. R2 is number-coded 153J. R3 is number-coded 224J. R4 is number-coded 335J. R5 is number-coded 476J. R6 is number-coded 687J. The voltage applied to the circuit is 12 volts DC. What is the value of R1?
Term
0.1 S
Definition
What is the conductance of a 10-resistor?
Term
500 uS
Definition
What is the conductance of a 2-kresistor?
Term
1.5 kohm
Definition
Two 6-k and three 9-k resistors are all connected in parallel. What is the total resistance?
Term
113.97 ohm
Definition
The following resistors are connected in parallel: one 1-kone 910- one 560- one 430-and one 390-What is the total resistance?
Term
5
Definition
How many 75-k resistors must be put in parallel to provide a total resistance of 15 k
Term
4 k ohms
Definition
What value of resistance needs to be put in parallel with a 12-k resistor to provide a total resistance of 3 k
Term
8 ohms
Definition
What would be the lowest total resistance of a load that could be connected safely to a 120-V wall outlet rated at 15 A?
Term
3 ohms
Definition
Four 12-V 12-W light bulbs are connected in parallel. What is the total resistance?
Term
4 A
Definition
The following resistors are connected in parallel with a 12-V source: two 12-The following resistors are connected in parallel with a 12-V source: two 12-ohmsand one 6-ohms. What is the total current?and one 6-. What is the total current?
Term
300 W
Definition
Three 100-W loads are connected in parallel. What is the total power?
Term
6 mA
Definition
The following resistors are connected in parallel with a 30-V source: three 20-kohmtwo 15-kohm two 10-kohm and one 5-kohm. How much current flows through the 5-kohm resistor?
Term
20 mA
Definition
One 6-kohmand one 3-kohm resistor are connected in parallel. If a total current of 30 mA is provided by the source, how much current flows through the 3-kohm resistor?
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