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Basic Electricity Final Exam test
Basic Electricity Final Exam test
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Basic Electricity Final ExamThe working voltage of a
✅✅
capacitor in an ac circuit should
be __________. - -At least 50 percent greater
than the highest applied
voltage
The term that describes the
✅✅
combined resistive forces in an ac
circuit is __________. - -Impedance
✅✅-Dielectric fields
Electrostatic fields are also
known as __________. -
The opposition offered by a
coil to the flow of alternating current
✅✅
is called (disregard
resistance) __________. - -Inductive reactance
✅✅
What factors strengthen a
coil inductor? - -Adding coils close together
When different rated capacitors are
✅✅-Less than the capacitance of
connected in series in a circuit, the
total capacitance is ________. -
the lowest rated capacitor
✅✅-Smooth out slight pulsations
Capacitors are sometimes
used in dc circuits to ________. -
in current/voltage
The amount of electricity a
✅✅-Plate area and inversely
capacitor can store is directly
proportional to the _________. -
proportional to the distance
between the plates
What is the
total capacitance of a circuit
, containing three capacitors with
capacitances of .02 microfarad, .05
✅✅
microfarad, and .10 microfarad,
respectively? - -.170 uF
What is the total capacitance
of a circuit containing three
capacitors in parallel with
capacitances of .02 microfarad, .05
✅✅
microfarad, and .10 microfarad,
respectively? - -.0125 uF
Unless otherwise specified,
any values given for current or
✅✅
voltage in an ac circuit are assumed
to be _________. - -Effective values
When different rated
✅✅-Equal to the sum of all the
capacitors are connected in parallel
in a circuit, the total capacitance is -
capacitances
When inductors are connected
in series in a circuit, the total
inductance is (where the magnetic
✅✅
fields of each inductor do not affect
the others) - -Equal to the sum of the
individual inductances
When more
than two inductors of different
inductances are connected in parallel
✅✅
in a circuit, the total inductance
is _________. - -Less than the inductance of
the lowest rated inductor
What is the total capacitance
of a certain circuit containing three
capacitors with capacitances of .25
microfarad, .03 microfarad, and .12
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