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Multiple Choice Quiz
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1
The ability to store energy in the form of electric charge is called reactance.
A)True
B)False
2
The base unit of capacitance is the joule.
A)True
B)False
3
The capacitance of a capacitor is directly proportional to the area of its plates.
A)True
B)False
4
The method used to produce electrolytic capacitors results in the plates being polarized.
A)True
B)False
5
Padders, trimmers, and tuning capacitors are all variable capacitors.
A)True
B)False
6
Which of the following is not a classification of a capacitor relating to circuit function?
A)filter
B)electrolytic
C)tuning
D)stand-off
7
How much energy can be stored by an energy-storage capacitor rated at 200 µF and 450 V?
A)20.3 J
B)30.4 J
C)65 J
D)90 J
8
The time obtained by multiplying resistance by capacitance is called the
A)RC factor
B)period
C)pulse width
D)time constant
9
A dc source voltage divides among series capacitors
A)in direct proportion to their capacitance
B)in inverse proportion to their capacitance
C)if the capacitors are electrolytic
D)if the dc voltage is greater than 63.2% of the capacitor's voltage rating
10
The term used to rate a capacitor on its ability to produce reactance with as little resistance as possible is
A)efficiency
B)impedance
C)quality
D)quantity





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