skt174(test one)( not the full test only word questions, pictures go to actual test)
What is the applied voltage in a series circuit with two resistors of 25 V and 60 V, respectively?
25V+60V=85V
R1 = 240 Ω, R2 = 300 Ω, and R3 = 1200 Ω. What is the resistance between A and B?
480V
A parallel circuit is composed of a 10 Ω and a 22 Ω resistor. It has a voltage of 60 V. What is the current in the 10 Ω resistor?
I=E/R 60/10 = 6A
In _____________ circuits, the total resistance is equal to the reciprocal of the sum of the reciprocals of the branch resistances.
Parallel
. A three-branch parallel circuit has resistors of 27 Ω, 56 Ω, and 15 Ω. What is the total resistance?
RT= 1/R1+1/R2+1/R3= 1/RT = 8.23
The voltage drop across any branch of a parallel circuit is the same as the
applied voltage
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
. In a parallel circuit, the voltage across each branch must be
equal
. In a series circuit, the sum of the voltage drops is _____ the applied voltage
equal to
What device is designed to open and disconnect a circuit in the event of excessive current?
fuse
In a series circuit, each resistor ______________ the flow of current in the circuit.
impedes
In a parallel circuit, the total resistance is _____ value resistor.
less than the lowest
The current, voltage, power, and resistance in a series circuit can be calculated using _____ law.
ohm's law
. In a parallel circuit, the total current flow is equal to the _____ of the currents through all the branches.
sum
A parallel circuit composed of a 150 Ω and a 270 Ω resistor has a voltage of 120 V. What is the current in the 150 Ω resistor?
I=E/R 120/150 =0.8A
A circuit that has only one path for current flow is a _____ circuit.
series
. A series circuit has two resistors that dissipate 10 W and 15 W, respectively. What is the total power dissipation of the circuit?
10+15=25W
If a series circuit has resistor values of 27 Ω, 56 Ω, and 82 Ω, the total resistance is
27+56+82= 165 ohms
A series circuit has a total resistance of 180 Ω and an applied voltage of 120 V. What is the current flow?
I=E/R 120V/180= 0.667A
. When three resistors are connected in series to a 36-V source, with each resistor having a resistance of 200, 300, and 160, what is the first step in calculating the voltage drop across each resistor?
find the total resistance of the circuit