1.
A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is
A. 
B. 
C. 
D. 
2.
When a fourth resistor is connected in series with three resistors, the total resistance
A. 
B. 
C. 
D. 
3.
When one of three series resistors is removed from a circuit and the circuit is reconnected, the current
A. 
B. 
C. 
D. 
Decreases by the amount of current through the removed resistor
4.
There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage
A. 
B. 
C. 
Depends on the current flow
D. 
Depends on the resistor values
5.
The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates
A. 
B. 
C. 
D. 
6.
All the voltage drops and the source voltage added together in a series circuit is equal to
A. 
The total of the voltage drops
B. 
C. 
The total of the source voltage and the voltage drops
D. 
7.
If a 6 V and a 9 V source are connected series aiding, the total voltage is
A. 
B. 
C. 
D. 
8.
Five resistors are connected in a series and there is a current of 3 A into the first resistor. The amount of current into the second resistor is
A. 
B. 
C. 
D. 
9.
If a 24 V and a 6 V battery are series opposing, the total voltage is
A. 
B. 
C. 
D. 
10.
To measure the current out of the second resistor in a circuit consisting of four resistors in series, an ammeter can be placed
A. 
B. 
At the negative terminal of the source
C. 
Between the third and fourth resistors
D. 
Between the second and third resistors
11.
What determines the total resistance in a series circuit?
A. 
B. 
C. 
The largest resistor minus the smaller
D. 
12.
A series circuit schematic is recognized because all the components are connected:
A. 
B. 
Horizontally across the page
C. 
In a uniform vertical manner
D. 
Diagonally across the page
13.
If series resistors dissipate 16 mW, 107 mW, 146 mW, and 243 mW, what is the total power consumed by the circuit?
A. 
B. 
C. 
D. 
14.
If two resistors have the same voltage drop in a series circuit, it means:
A. 
They are connected in parallel
B. 
C. 
They are of unequal value
D. 
15.
With a 900 V source, voltage is divided across 3 series resistors of 300 V, 280 V, and:
A. 
B. 
C. 
D. 
16.
When a battery is connected to a series circuit, it delivers current based only upon:
A. 
B. 
C. 
Primary/secondary difference
D. 
17.
Resistance in a series circuit will:
A. 
B. 
C. 
D. 
18.
How will an open resistor affect a series circuit?
A. 
No current will flow in the circuit.
B. 
Current will flow around the open resistor.
C. 
Total resistance will decrease.
D. 
The open resistor will drop 0 V.
19.
Which equation determines individual resistor voltage drop?
A. 
B. 
C. 
D. 
20.
The voltage drop across a series resistor is proportional to what other value?
A. 
B. 
The amount of time the circuit is on
C. 
D. 
21.
With 20 V applied, an 8-ohm resistor is in series with a lamp. When the lamp is removed, what voltage will be read across the lamp socket?
A. 
B. 
C. 
D. 
22.
In a series circuit, the voltage measured across a short will be:
A. 
B. 
C. 
D. 
23.
If 5 V and 16 V power supplies are connected in series-opposing, what is the total voltage?
A. 
B. 
C. 
D. 
24.
Given a series circuit containing resistors of different values, which statement is not true?
A. 
The current through each resistor is the same.
B. 
The sum of the voltage drops across each resistive element will be equal.
C. 
The total resistance is the sum of the value of the resistors.
D. 
The voltage drop across each resistor is the same.
25.
A series circuit current:
A. 
Remains the same through each component
B. 
Is the same as the individual resistances
C. 
Varies through each component
D. 
Is subtracted by each component