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Electronics - Alternating Current vs Direct Current

Exercise : Alternating Current vs Direct Current - General Questions
26.
The power that is distributed from a power plant to your home is:
high voltage to high voltage
low voltage to high voltage
high voltage to low voltage
low voltage to low voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A rectangular wave that has a duty cycle of 50 percent could be called a:
c wave
sawtooth wave
square wave
triangle wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A triangle wave consists of repeating:
positive ramps only
negative ramps only
positive and negative ramps of equal value
positive and negative ramps of unequal value
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
What is the name of a device used to directly measure the frequency of a periodic wave?
oscilloscope
frequency meter or counter
audio frequency generator
radio frequency generator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which control should be moved to display more cycles of a signal on an oscilloscope?
horizontal position to left or right
volts/cm to a smaller number
vertical position to top or bottom
time/cm to a higher setting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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