Exam (elaborations)
ATT Test 3 Questions and Answers 100% Correct | New Update 2025
- Course
- Institution
ATT Test 3 Questions and Answers 100% Correct | New Update 2025
[Show more]
Content preview
ATT Test 3 Questions and Answers 100% Correct| New Update 2025
What is the frequency of a wave? - ANSWER number of cycles per second
What is frequency measured in? - ANSWER Hertz
3 cycles per second equals how many hertz? - ANSWER 3 Hz
What is the period of a wave? - ANSWER Time per cycle
What is wavelength? - ANSWER the actual distance between beginning and
end of one cycle (meters/centimeters)
What is induction? - ANSWER generation of AC current by changing a magnetic
field (flux variation)
Flux variation is (directly/indirectly) proportional to induction and current? -
ANSWER directly
What is needed to induce current? - ANSWER conductor, magnetic field,
relative motion
What is peak voltage? - ANSWER highest positive or negative voltage obtained
, What is peak to peak voltage? - ANSWER determined by doubling peak
voltage, from highest positive point to lowest negative point
What is average voltage? - ANSWER Calculated using sum of all angles
contained in 180 degrees (0.637 X peak V)
What is RMS voltage? - ANSWER most common method to describe voltage of
sine wave (0.707 X peak V)
120 VAC RMS = How much VDC? - ANSWER 120 VDC
What is phase angle? - ANSWER amount by which waveforms lead or lag one
another
What phase angle has peaks of OPPOSITE POLARITY happening at the same time?
- ANSWER 180 degrees
What are harmonic frequencies? - ANSWER echoes of the fundamental
frequency, creates non-sinusoidal waves when combined with fundamental
frequency
How are harmonic frequencies calculated? - ANSWER determined by
multiplying fundamental frequency by harmonic number
What do oscilloscopes directly measure? - ANSWER Amplitude, period,
waveshape
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller StudySet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
85169 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now