AC Circuit
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Charles Martinez
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following have the same units except:
inductance.
capacitive reactance.
impedance.
resistance.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A resistor is connected to an AC power supply. On this circuit, the current
leads the voltage by 90°.
lags the voltage by 90°.
is in phase with the voltage.
none of the given answers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A pure inductor is connected to an AC power supply. In this circuit, the current
leads the voltage by 90°.
lags the voltage by 90°.
is in phase with the voltage.
none of the given answers.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that inductor
increases to 4 times its original value.
increases to twice its original value.
decreases to one-half its original value.
decreases to one-fourth its original value.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A pure capacitor is connected to an AC power supply. In this circuit, the current
leads the voltage by 90°.
lags the voltage by 90°.
is in phase with the voltage.
none of the given answers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the phase angle between the voltages of the inductor and capacitor in a RLC series circuit?
zero
90°
180°
270°
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A capacitor 120 µF is connected to an AC source of 6 V with frequency 100 Hz. If the frequency is increased to 200 Hz, the reactance of the capacitor will be
half the original value.
same as the original value.
two times the original value.
the reciprocal of the original value.
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