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Chapter 4 - Alternating Current AC Circuits

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Quiz

Lesson 3: The Alternating Current Generator (AC Dynamo) and Rectification — Picture questions (exam style)

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1.
The graph shows a half-wave rectified voltage. What is the mean value of this voltage over a cycle?
The graph shows a half-wave rectified voltage. What is the mean value of this voltage over a cycle?
5.00 V
1.59 V
3.54 V
2.50 V
2.
The graph shows an alternating voltage. What is the r.m.s. value of this voltage?
The graph shows an alternating voltage. What is the r.m.s. value of this voltage?
70.0 V
156 V
140 V
220 V
3.
The graph shows a full-wave rectified voltage. What is the r.m.s. value of this voltage?
The graph shows a full-wave rectified voltage. What is the r.m.s. value of this voltage?
6.37 V
7.07 V
10.0 V
3.18 V
4.
The graph shows a full-wave rectified voltage. What is the mean value of this voltage over a cycle?
The graph shows a full-wave rectified voltage. What is the mean value of this voltage over a cycle?
25.0 V
35.4 V
31.8 V
50.0 V
5.
The graph shows a half-wave rectified voltage. What is the r.m.s. value of this voltage?
The graph shows a half-wave rectified voltage. What is the r.m.s. value of this voltage?
31.8 V
25.0 V
15.9 V
50.0 V
6.
The graph shows a half-wave rectified voltage. What is the mean value of this voltage over a cycle?
The graph shows a half-wave rectified voltage. What is the mean value of this voltage over a cycle?
220 V
70.0 V
110 V
156 V
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