Test unit 7
circuits that have more than one path for current flows are _________ circuits.
parrallel
A method for finding total resistance of parrallel resistors is ______?
product over sum, reciprocal formula,resistors of equal value
In a parrallel circuit, the total current flow is equal to the __________of the currents through all the branches.
sum
In a parrallel circuit, the voltage across each branch must be____________.
the same
A parallel circuit is composed of 150 and 270 ohm resistor has a voltage of 120 V. What is the current in the 150 ohm resistor?
.8 A
A two branch parrallel circuit has a 30 ohm and a 15 ohm resistor. What is the total resistance?
10 ohms
a three-branch parrallel circuit has a total resistance of 385.83 ohms. Two of the resistors are 680 and 1500 ohms.What is the value of the third resistor?
2200 ohms
A parallel circuit is composed of two 60 ohm resistors. What is the total resistance?
30 ohms
A three branch parallel circuit has a resistor of 27, 56,and 15 ohm. What is the total resistance?
8.23 ohms
Most devices such as light receptacles In Homes and office buildings are connected in?
Parrallel circuits
The voltage drop across any branch of a parrallel circuit is the same as the__________.
applied voltage
An increase in _______, not resistance,results in an increase of load.
current
The term "load" refers to the amount of_______ in a circuit branch.
current
To calculate current flow through any branch of a circuit by substituting the values of Ix and Rx for the branch values when the total circuit current and resistance are known, use the ________ formula.
current divider
Parallel circuits are also referred to as ______.
current multipliers
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
In a parallel circuit, the total resistance is _______ value resistor.
less than the lowest
