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


1.

When
working with vectors, ____ degrees is indicated by a horizontal line.


2.

While
vectors can be added, subtracted, multiplied, and divided, in electrical work ____ is the only
function needed. a.  addition  c.  multiplication  b.  division  d.  subtraction     


3.

To
add vectors that are ____ degrees apart, subtract the magnitude of the larger vector from the
magnitude of the smaller vector.


4.

One
of the primary laws of series circuits is that the ____ must be the same in any part of the
circuit. a.  resistance  c.  wattage  b.  voltage  d.  current     


5.

True
power for a resistiveinductive circuit can be computed by using any of the watts formulas with pure
____ parts of the circuit. a.  inductive  c.  reactive  b.  capacitive  d.  resistive     


6.

VARs
is the amount of ____ power in a resistiveinductive circuit. a.  resistive  c.  apparent  b.  inductive  d.  reactive     


7.

VARs
represents the product of volts and amps that are ____ phase with each other. a.  90 degrees out
of  c.  270 degrees out
of  b.  180 degrees out
of  d.  in     


8.

The
____ power of a resistiveinductive series circuit can be found when a voltmeter and ammeter are used
to measure the circuit voltage and current and then these measured values are multiplied
together. a.  reactive  c.  wattless  b.  apparent  d.  quadrature     


9.

In a
resistiveinductive circuit, power factor can be computed by dividing the voltage drop across the
resistor by the ____. a.  circuit amperage  c.  total circuit voltage  b.  total circuit
resistance  d.  circuit
voltamps     


10.

The
____ of angle theta is the power factor. a.  sine  c.  tangent  b.  cosine  d.  cotangent     
