3.
Correct usage of electrical terms is important as a basis for
understanding electrical fundamentals.
The term electromotive force has the same
meaning as the term
a.
power.
c.
current.
b.
voltage.
d.
resistance.
4.
Assume that you are to measure and report the amount of resistance in
an electrical circuit.
The unit that you will use to report this measurement is
the
a.
ohm.
c.
watt.
b.
volt.
d.
ampere.
5.
Ohm's Law for dc circuits expresses a relationship among
a.
inductance, capacitance, and frequency.
b.
current, resistance, and capacitance.
c.
resistance, frequency, and current.
d.
current, voltage, and resistance.
6.
Which statement accurately describes the action that takes place in the
dc circuit shown in figure 27?
a. Current
decreases
when
battery B is inserted.
b. Current remains the same when
battery B is inserted.
c. The voltage drop across R
decreases when battery B is
inserted.
d. Current ceases when switch SW
is opened, and the applied
voltage appears across the
Figure 27.
Series dc circuit.
terminals of the switch.
308
36
Previous Page
