Name: 
 

Chapter 6



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

____ is the amount of power a circuit is supplying to an electrical device.
a.
Amperage
c.
Resistance
b.
Load
d.
Voltage
 

2. 

The ____ across any branch of a parallel circuit is the same as the applied voltage.
a.
amperage
c.
voltage drop
b.
resistance
d.
wattage
 

3. 

The total resistance of a ____ circuit is always less than the resistance of the lowest value resistor in the circuit.
a.
combination
b.
parallel
c.
series
 

4. 

According to Ohm's law, an increase of resistance must cause a proportional decrease of ____.
a.
voltage
c.
resistance
b.
wattage
d.
current
 

5. 

When using the product over sum method of determining the total resistance of a parallel circuit, you would ____.
a.
multiply the total of R(1) times R(2) by the total of R(1) plus R(2)
b.
multiply the total of R(1) plus (R2) by the total of R(1) times R(2)
c.
divide the total of R(1) times R(2) by the total of R(1) plus R(2)
d.
divide the total of R(1) plus R(2) by the total of R(1) times R(2)
 

6. 

The reciprocal of any number is that number divided ____.
a.
by 1
c.
into 10
b.
into 1
d.
by 10
 

7. 

The total amount of power in a ____ circuit is equal to the sum of the power used by all the parts.
a.
series
c.
combination
b.
parallel
d.
any of the above
 

8. 

In a parallel circuit,the amount of current flowing through each resistor is inversely proportional to its ____.
a.
amperage
c.
resistance
b.
current
d.
wattage
 

9. 

If four resistors, each with a value of 100 ohms, are connected in parallel, the total resistance of the circuit is ____ ohms.
a.
400
c.
50
b.
100
d.
25
 

10. 

Three resistors, with values of 10 ohms, 20 ohms, and 30 ohms, are connected in parallel and the circuit has a voltage of 120 volts with an amperage of 2.5 amps. The total current of the 20-ohm branch is ____ amps.
a.
2.5
c.
50
b.
6
d.
60
 



 
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