
Understanding Waveforms and Electrical Concepts
Quiz
•
Engineering
•
11th Grade
•
Practice Problem
•
Easy
JOEL MONTEMAYOR
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of an alternator?
To convert electrical energy to mechanical energy.
To convert mechanical energy to electrical energy.
To store electrical energy.
To measure electrical energy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of frequency?
Degree
Radian
Hertz
Cycle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which instrument is used to display signal waveforms on a screen?
Oscillator
Function generator
Oscilloscope
Induction motor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for a sine wave?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term "duty cycle" refer to in a pulse waveform?
The time interval between pulses.
The percentage of time a pulse is present during a cycle.
The amplitude of the pulse.
The frequency of the pulse.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time interval of one complete cycle of a periodic waveform called?
Frequency
Period
Amplitude
Phase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the maximum value of a voltage or current?
Peak value
Instantaneous value
rms value
Average value
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