AC Circuits Basics Quiz
Authored by Norman Francisco
Professional Development
University
Used 2+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What does AC stand for in electrical engineering?
Alternating Current
Alternating Charge
Alternating Capacitance
Alternating Conductor
Alternating Circuit
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
The frequency of AC in most household systems is:
Choose multiple correct answers
50 Hz
60 Hz
100 Hz
120 Hz
25 Hz
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In an AC circuit, the direction of current flow:
Remains constant
Reverses periodically
Depends on the voltage
Is always from positive to negative
Is random
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The phase difference between voltage and current in a purely resistive AC circuit is:
0°
90°
180°
45°
270°
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The unit of inductive reactance is:
Ohm
Henry
Farad
Siemens
Volt
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In a purely inductive AC circuit, the current:
Leads the voltage by 90°
Lags the voltage by 90°
Is in phase with the voltage
Leads the voltage by 180°
Lags the voltage by 45°
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The inductive reactance (X_L) is given by:
X_L = 2 pi f L
X_L = 1/(2 pi f L)
X_L = L/(2 pi f)
X_L = 1/L
X_L = f/(2 pi L)
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