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DC Chapter 6
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Terms in this set (19)
A circuit that has only one path for current flow is a _____ circuit.
Series
When a circuit has only one path, the _____ is the same at any point.
current
A device that is designed to open and disconnect a circuit in the event of excessive current is a _____.
fuse
_____ is the force that pushed the electrons through a resistance.
Voltage
The amount of _____ across a resistor is proportional to its resistance.
voltage drop
The total amount of resistance to current flow in a series circuit is equal to the _____ of the resistance in that circuit.
sum
The current, voltage, power, and resistance in a series circuit can be found by using _____ law.
Ohm's
A series circuit has a total resistance of 180 W and an applied voltage of 120 V. What is the current flow?
0.667 A
A series circuit has a total resistance of 240 W and a current flow of 4 A. What is the applied voltage?
960 V
The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is _____.
85 V
A two-resistor series circuit has an applied voltage of 100 V. The voltage across one of the resistors is 40 V. The voltage across the other resistor is _____.
60 V
A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power dissipation of the circuit?
25 W
A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5 W respectively. How much power does the third resistor dissipate?
10 W
A voltage _____ is used to provide different voltages between certain points in a circuit.
dividersx
Which of the following formulas is the general voltage divider formula?
EX = (Rx/Rt)Et
Voltage _____ can be determined by observing the direction of current flow through the circuit.
polarity
A(n) _____ ground symbol is used to symbolize a ground point made by physically driving an object such as a rod or pipe into the ground.
earth
A point that is used as a common connection for other parts of a circuit is called a _____ point.
chassis
A(n) _____ voltage is a voltage that is positive with respect to ground.
above-ground
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