Electrical 6, 7, 8
0.8 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?
30 ohms
A parallel circuit is composed of two 60 ohm resistors. What is the total resistance?
divider
A voltage ___ is used to provide different voltages between certain points in a circuit.
earth
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.
parallel
Circuits that have more than one path for current flow are ___ circuits.
less than the lowest
In a parallel circuit, the total resistance is ___ value resistor.
total resistance
In a series circuit, the ___ is the sum of the individual resistances.
total current
The ____ in a parallel circuit is equal to the sum of the currents through all of the circuit branches
current
The term "load" refers to the amount of ___ in a circuit branch.
85 V
The two resistors in a series circuit have voltages of 25 V and 60 V. The applied voltage is ___.
node
a junction point of current paths is often called a ___.
60 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 ___.
sum
The total amount of resistance to current flow in a series circuit is equal to the __ of the resistance in that circuit.
current
When a circuit has only one path, the ___ is the same at any point.
both series and parallel components
a combination circuit is a circuit that contains ___.
product over sum; reciprocal formula, resistors of equal value
a method for finding total resistance of parallel resistors is ....
Series
A circuit that has only one path for current flow is a ____ circuit.
fuse
A device that is designed to open and disconnect a circuit in the event of excessive current is a ____.
6 A
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?
above-ground
A(n) ___ voltage is a voltage that is positive with respect to ground.
applied voltage
In parallel circuits, the voltage drop across any branch is the same as the ___
Ohm's
The current, voltage, power, and resistance in a series circuit can be found by using __ law.
watts ??
The total power in a circuit is equal to the sum of the ___ used by all parts.
voltage
___ is the force that pushed the electrons thru a resistance.
current
in series circuits, the ___ is the same at any point in the circuit.
chassis
A point that is used as a common connection for other parts of a circuit is called a ___ ground.
0.667 A
A series circuit has a total resistance of 180 ohms and an applied voltage of 120 V. What is the current flow?
it lessens
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.
current dividers
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 ___.
voltage drop
The amount of ___ across a resistor is proportional to its resistance.
polarity
Voltage ___ can be determined by observing the direction of current flow through the circuit.
one
a series circuit has ___ path(s) for current flow
10 ohms
A two-branch parallel circuit has a 30 ohm and a 15 ohm resistor. What is the total resistance?
165 Ohms
If a series circuit has resistor values of 27 ohms, 56 ohms and 82 ohms, the total resistance is ____.
sum
In a parallel circuit, the total current flow is equal to the ___ of the currents through all the branches
current
an increase in ___, not resistance, results in an increase of load.
960 V
A series circuit has a total resistance of 240 ohms and a current flow of 4 A. What is the applied voltage?
25 W
A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power dissipation of the circuit?
8.23 ohms
A three branch parallel circuit has resistors of 27 ohms, 56 ohms and 15 ohms. What is the total resistance?
10 W
A three-resistor circuit has a total power of 25 W. Two of the resistors dissipate 10 W and 5W respectively. How much power does the third resistor disspate?
reduce the circuit to a simpler circuit
Solving combination circuits includes a step in which you ___.
trace the current path(s)
In a combination circuit how do you identify which loads are in series and in parallel?