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.


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 20ohm branch is
____ amps.
