Deck 8: Combination Circuits

Question 1

Refer to the diagram above and solve using the values provided.
R1 = 80 Ω , R2 = 100 Ω , and R3 = 400 Ω, and 480 V is applied between A and B. What is the total current flow?

Answer 1

3 Α

Question 2

Refer to the diagram above and solve using the values provided.
R1 = 15 Ω , R2 = 300 Ω , and R3 = 900 Ω, and 240 V is applied between A and B. What is the current flow through R1?

Answer 2

1 Α

Question 3

A junction point of current paths is often called a _____.

A) circuit
B) combination
C) node

Answer 3

C

Question 4

A series circuit has _____ path(s) for current flow.

A) one
B) two
C) three
D) unlimited

Question 5

Solving combination circuits includes a step in which you _____.

A) enlarge the circuit to several combination circuits
B) eliminate all parallel paths
C) expand the circuit to a more complex circuit
D) reduce the circuit to a simpler circuit

Question 6

A combination circuit is a circuit that contains _____.

A) only series components
B) only parallel components
C) both series and parallel components
D) both voltage and current sources

Question 7

Refer to the diagram above and solve using the values provided.
R1 = 50 Ω , R2 = 200 Ω , and R3 = 600 Ω, and 600 V is applied between A and B. What is the current flow through R3?

Question 8

In parallel circuits, the voltage drop across any branch is the same as the _____.

A) applied voltage
B) current
C) resistance

Question 9

Refer to the diagram above and solve using the values provided.
R1 = 240 Ω , R2 = 300 Ω , and R3 = 1200 Ω .What is the resistance between A and B?

Question 10

Refer to the diagram above and solve using the values provided.
R1 = 30 Ω , R2 = 600 Ω , and R3 = 1800 Ω, and 240 V is applied between A and B. What is the voltage across R2?

Question 11

In a series circuit, the _______________ is the sum of the individual resistances.

Question 12

The _______________ in a parallel circuit is equal to the sum of the currents through all of the circuit branches.

Question 13

In a combination circuit, to identify series and parallel elements, you should _____.

A) trace the current path(s)
B) trace the voltage path(s)
C) calculate the total resistance
D) calculate the total current

Question 14

In series circuits, the _____ is the same at any point in the circuit.

A) resistance
B) current
C) voltage drop