AC Final Exam
Authored by Megan Butler
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78 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A transformer has a secondary with a voltage of 20V across a 100 ohm load. It has a primary voltage of 10 volts. What is the primary current?
(INCLUDE UNIT OF MEASUREMENT!)
(a)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The peak voltage multiplied by .707 gives us
average voltage
rms voltage
no usable information
instantaneous voltage
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A transformer has a 1:4 ratio. It has 40 volts at 2 amps at the secondary output. What is the current input to the primary
(INCLUDE UNIT OF MEASUREMENT!)
(a)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On an oscilloscope the Y axis plots the time domain
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the AVG voltage of this waveform? Assume a 2 V per division and a 5uS per division
(a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Inductance is measured in
henrys
farads
ohms
hertz
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The peak to peak voltage multiplied by .637 gives us
avg
no usable information
rms
instantaneous
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