1.
Suppose you double the voltage in a simple dc circuit, and cut the resistance in half. The current will become:
A. 
B. 
C. 
The same as it was before
D. 
2.
A wiring diagram would most likely be found in:
A. 
An engineer’s general circuit idea notebook
B. 
An advertisement for an electrical device
C. 
The service/repair manual for a radio receiver
D. 
3.
Given a dc voltage source delivering 24 V and a circuit resistance of 3.3 KΩ, what is the current?
A. 
B. 
C. 
D. 
4.
Suppose that a circuit has 472 Ω of resistance and the current is 875 mA. Then the source voltage is:
A. 
B. 
C. 
D. 
5.
The dc voltage in a circuit is 550 mV and the current is 7.2 mA. Then the resistance is:
A. 
B. 
C. 
D. 
6.
Given a dc voltage source of 3.5 kV and a circuit resistance of 220 Ω, what is the current?
A. 
B. 
C. 
D. 
7.
A source delivers 12 V and the current is 777 mA. Then the best expression for the resistance is:
A. 
B. 
C. 
D. 
8.
A circuit has a total resistance of 473,332 Ω and draws 4.4 mA. The best expression for the voltage of the source is:
A. 
B. 
C. 
D. 
9.
The voltage is 250 V and the current is 8.0 mA. The power dissipated by the potentiometer is:
A. 
B. 
C. 
D. 
10.
The voltage from the source is 12 V and the potentiometer is set for 470 Ω. The power is about:
A. 
B. 
C. 
D. 
11.
The current through the potentiometer is 17 mA and its value is 1.22KΩ. The power is:
A. 
B. 
C. 
D. 
12.
Suppose six resistors are hooked up in series, and each of them has a value of 540 Ω. Then the total resistance is:
A. 
B. 
C. 
D. 
13.
Four resistors are connected in series, each with a value of 4.0 KΩ. The total resistance is:
A. 
B. 
C. 
D. 
14.
Suppose you have three resistors in parallel, each with a value of 68,000 Ω. Then the total resistance is:
A. 
B. 
C. 
D. 
15.
There are three resistors in parallel, with values of 22 Ω, 27Ω, and 33 Ω. A 12-V battery is connected across this combination, as shown in Fig. 4-11. What is the current drawn from the battery by this resistance combination?
A. 
B. 
C. 
D. 
16.
Three resistors, with values of 47 Ω, 68 Ω, and 82 Ω, are connected in series with a 50-V dc generator, as shown in Fig. 4-12. The total power consumed by this network of resistors is:
A. 
B. 
C. 
D. 
Not determinable from the data given
17.
You have an unlimited supply of 1-W, 100-Ω resistors. You need to get a 100- Ω, 10-W resistor. This can be done most cheaply by means of a series-parallel matrix of
A. 
B. 
C. 
D. 
18.
You have an unlimited supply of 1-W, 1000-Ω resistors, and you need a 500-Ω resistance rated at 7 W or more. This can be done by assembling
A. 
Four sets of two 1000-Ω resistors in series, and connecting these four sets in parallel
B. 
Four sets of two 1000-Ω resistors in parallel, and connecting these four sets in series
C. 
A 3 X 3 series-parallel matrix of 1000-Ω resistors
D. 
Something other than any of the above
19.
You have an unlimited supply of 1-W, 1000-Ω resistors, and you need to get a 3000-Ω, 5-W resistance. The best way is to:
A. 
Make a 2 X 2 series-parallel matrix
B. 
Connect three of the resistors in parallel
C. 
Make a 3 X 3 series-parallel matrix
D. 
Do something other than any of the above
20.
Good engineering practice usually requires that a series-parallel resistive network be made:
A. 
From resistors that are all very rugged
B. 
From resistors that are all the same
C. 
From a series combination of resistors in parallel
D. 
From a parallel combination of resistors in series