TRANSFORMERS AND AC CIRCUITS 2023/24 UPDATED(SOLVED)
7 views 0 purchase
Course
TPC bearing
Institution
TPC Bearing
The potential difference induced across a coil depends on the number of turns in the coil and on the _________.
rate at which the magnetic field changes
Which law states that the current in a conductor is proportional to the potential difference across it?
Ohm's Law
The number of cy...
TRANSFORMERS AND AC CIRCUITS
The potential difference induced across a coil depends on the number of turns in the coil and on the _________. - correct answer rate at which the magnetic field changes
Which law states that the current in a conductor is proportional to the potential difference across it? - correct answer Ohm's Law
The number of cycles produced in one complete revolution of the rotor in an alternator equals ______ the number of poles. - correct answer half
To find the root mean square, you calculate the square root of the mean of all the squares of _______. - correct answer All the individual values
What is represented by a horizontal arrow pointing to the right? - correct answer Resistance
In a vector diagram, a negative phase angle indicates that the current ______ the potential difference. - correct answer leads
What is the property of a coil that resists changes in current? - correct answer Inductance
Inductance in an AC circuit _________. - correct answer Delays the rise and fall of current
What does the simplest kind of capacitor use as a dielectric? - correct answer Air
A capacitor acts like an open circuit in a _____ circuit. - correct answer DC
Connecting capacitors in parallel produces the same effect as increasing the size of the _____________. -
correct answer Size of the plates
The symbol for inductive reactance is ______. - correct answer XL
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 GUARANTEEDSUCCESS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.