An electric current always produces? - ANSWER a magnetic field
The number of cycles an alternating electric current undergoes per one-half second, the hurtz rating of the circuit is? - ANSWER 30HZ
The period of a waveform is the ? - ANSWER inverse of the frequency
Which of the following...
the number of cycles an alternating electric curre
Written for
NCCER
NCCER
Seller
Follow
shantelleG
Reviews received
Content preview
NCCER: Module
26201-11 Basic AC
Circuits Review
QUESTIONS &
ANSWERS(LATEST
UPDATE 2024)
An electric current always produces? - ANSWER a magnetic field
The number of cycles an alternating electric current undergoes per one-half second, the hurtz rating
of the circuit is? - ANSWER 30HZ
The period of a waveform is the ? - ANSWER inverse of the frequency
Which of the following conditions exist in a circuit of pure resistance? - ANSWER The voltage and
current are in phase.
Which of the following will cause the inductance of a coil to decrease? - ANSWER decreasing coil
diameter
Reactance increases with an increase in inductance - ANSWER TRUE
, Capacitance is measured in - ANSWER farads
the opposition to current flow offered by the capacitance of the circuit is known as - ANSWER
capacitive reactance
Current leads voltage by 90 degrees in a - ANSWER capacitive circuit
Which of the following conditions exist in a circuit of pure inductance - ANSWER the voltage and
current are 90 degrees out of phase
The total opposition to current flow in an AC circuit is know as - ANSWER Impedance
The formula, square root of r squared + X squared is used to solve for the - ANSWER total impedance
of an AC circuit
A power factor is not angular measure, but a numerical ration with a value between 0 and 1, equal to
the - ANSWER cosine of the phase angle
As in all series circuits, the ____ in a series LC circuit is the same at all points. - ANSWER current
the storage of electricity in a capacitor is - ANSWER capacitance
A condition reached in an electrical circuit when the inductive reactance neutralizes the capacitive
reluctance is - ANSWER resonance
A(n) _______ can be used to electrically isolate a piece of equipment from the power distribution
system. - ANSWER Isolation transformer
The opposition to current flow in an AC circuit is - ANSWER Impedance
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 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 shantelleG. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.16. You're not tied to anything after your purchase.
