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?