ELE. FINAL
A parallel circuit composed of a 10 ohm and a 22 ohm resistor. It has a voltage of 60 V. What is the current in the 10 ohm resistor?
6 A
A three branch parallel circuit has resistors of 27 ohms, 56 ohms, and 15 ohms. What is the total resistance?
8.23 ohms
Imagine a water system with a holding tank, pump, and return lines. What would happen to the resistance to flow if a return path is added to the system?
It lessens
An increase in _____, not resistance, results in an increase of load.
current
A voltage _____ is used to provide different voltages between certain points in a circuit.
divider
A method for finding total resistance of parallel resistors is _____.
resistors of equal value product over sum * all of the above * reciprocal formula
In a parallel circuit, the total current flow is equal to the _____ of the currents through all the branches.
sum
The total amount of resistance to current flow in a series circuit is equal to the _____ of the resistance in that circuit.
sum
In a series circuit, the _______________ is the sum of the individual resistances.
total resistance
A series circuit has a total resistance of 240 ohms and a current flow of 4 A. What is the applied voltage?
960 V
_____ is the force that pushed the electrons through a resistance.
Voltage
In a parallel circuit, the total resistance is _____ value resistor.
less than the lowest
A series circuit has a total resistance of 180 ohms and an applied voltage of 120 V. What is the current flow?
0.667 A
A parallel circuit composed of a 150 ohms and a 270 ohms resistor has a voltage of 120 V. What is the current in the 150 ohm resistor?
0.8 A
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
If a series circuit has resistor values of 27 ohms, 56 ohms, and 82 ohms, the total resistance is _______________.
165 ohms
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 parallel circuit is composed of two 60 ohm resistors. What is the total resistance?
30 ohms
The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is _____.
85 V
The current, voltage, power, and resistance in a series circuit can be found by using _____ law.
Ohm's
A(n) _____ voltage is a voltage that is positive with respect to ground.
above-ground
In parallel circuits, the voltage drop across any branch is the same as the _____.
applied voltage
A combination circuit is a circuit that contains _____.
both series and parallel components
A point that is used as a common connection for other parts of a circuit is called a _____ ground.
chassis
The term "load" refers to the amount of _____ in a circuit branch.
current
When a circuit has only one path, the _____ is the same at any point.
current
A junction point of current paths is often called a _____.
node
A series circuit has _____ path(s) for current flow.
one
Circuits that have more than one path for current flow are _____ circuits.
parallel
Voltage _____ can be determined by observing the direction of current flow through the circuit.
polarity
The total power in a circuit is equal to the sum of the _____ used by all parts.
power
Solving combination circuits includes a step in which you _____.
reduce the circuit to a simpler circuit
A circuit that has only one path for current flow is a _____ circuit.
series
The _______________ in a parallel circuit is equal to the sum of the currents through all of the circuit branches.
total current flow
The amount of _____ across a resistor is proportional to its resistance.
voltage drop
A two-branch parallel circuit has a 30 ohm and a 15 ohm resistor. What is the total resistance?
10 ohms
A device that is designed to open and disconnect a circuit in the event of excessive current is a _____.
fuse
In a combination circuit, to identify series and parallel elements, you should _____.
trace the current path(s)
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(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
In series circuits, the _____ is the same at any point in the circuit.
current
In a parallel circuit, the current through each branch is inversely proportional to the resistance of the branch. Because of this, parallel circuits are sometimes called _____.
current dividers
