Level 2 Module 1 Alternating Currents Exam Questions And Answers All correct
3 views 0 purchase
Course
NCCER
Institution
NCCER
Level 2 Module 1 Alternating Currents Exam Questions And Answers All correct
2:1 - ANS What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary?
induced high voltage - ANS Opening the secondary of a CT under load will cause a dangero...
2:1 - ANS What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns
in the secondary?
induced high voltage - ANS Opening the secondary of a CT under load will cause a dangerous level
of___.
K
40Hz - ANS What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second?
C
340V - ANS Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage?
175V - ANS A circuit has a peak voltage of 275V. What is the average voltage value?
LO
one-third the applied voltage - ANS Each of three equal capacitors in series has___.
XL=2piefL - ANS The formula for inductive reactance is___.
YC
10A - ANS Given: An AC circuit containing resistance only. What is the current flow if the resistance is
15 ohms and the voltage is 150v?
Lags the voltage - ANS The current in inductive circuit___.
Rms values - ANS Unless otherwise noted, the calculations in AC circuits use___.
D
Increases - ANS When frequency decreases, capacitive reactance___.
U
It leads the voltage. - ANS Which of the following is true of the current in a capacitive circuit?
0.637 x peak value - ANS In sine wave terminology, the average value is___.
ST
All DC rules and laws apply, including Ohm's law - ANS In AC circuits containing only resistance,___.
Increases - ANS If the area of the plates of a capacitor is increased, the amount of capacitance___.
Current with respect to time - ANS The self-induced voltage across in inductance is equal to the change
in___.
45 - ANS Given: A 30-microfarad capacitor in parallel with a 15-microfarad capacitor. The total
capacitance is___.
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 Studyclock. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
