Electrical level 2 Module 2 test 1 All Questions Correctly Answered
5 views 0 purchase
Course
NCCER Electrical
Institution
NCCER Electrical
Electrical level 2 Module 2 test 1 All Questions Correctly Answered
Average Value - ANS 0.637x peak value
RMS value - ANS .707 x Peak Value
Inductance - ANS Opposes the change of current flow
Self Inductance - ANS Ability of a conductor to induce voltage in itself when the cur...
Electrical level 2 Module 2 test 1 All
Questions Correctly Answered
Average Value - ANS 0.637x peak value
RMS value - ANS .707 x Peak Value
Inductance - ANS Opposes the change of current flow
A
Self Inductance - ANS Ability of a conductor to induce voltage in itself when the
VI
current changes
Symbol for inductance - ANS L
TU
The greater the number of turns the greater the - ANS Inductance is.
In an inductive circuit - ANS Voltage leads Current.
IS
Inductive resistance - ANS 2pifl
OM
Capacitor - ANS Device that stores electric charge
Larger plates will produce a - ANS Greater Capacitance
Current leads voltage in a - ANS Capacitive Circuit
NA
Impedance - ANS Total opposition of current flow
Circuit contains both inductance and resistance the current - ANS Will lag the voltage
JP
by some angle between zero and 90 degrees
In a circuit containing resistance only - ANS The circuits are in phase
In a circuit of our capacitance - ANS The current leads voltage by 90 degrees
In a circuit with both resistance and capacitance - ANS The current will lead the
voltage by some angle between zero and 90 degrees
, True Power - ANS Power consumed by resistance
Apparent Power - ANS Product of the source voltage and total current
Reactive Power is - ANS Always 90 degrees out of phase with true power
Transformer - ANS Device that transfers electrical energy from one circuit to another
by electromagnetic induction
Primary winding - ANS Winding connected to the source
A
Secondary winding - ANS The winding connected to the load
VI
Like-wound transformers - ANS Secondary voltage in phase with primary
TU
Unlike-wound transformers - ANS Secondary and primary voltage are 180 degrees
out of phase
Isolation transformers - ANS Are wound so that the primary and secondary voltages
IS
are equal
Frequency - ANS Number of cycles current undergoes per second
OM
Peak voltage in a circuit who's rms is 120VAC - ANS 170volts
Circuit of pure resistance - ANS Voltage and current are in phase
NA
When current increase in AC circuit the inductance - ANS Reduces the current
Pure inductance circuit - ANS The voltage and current are 90 degrees out of phase
Capacitance is measured in - ANS Farads
JP
Power consumed by resistance - ANS Is called true power
Any exposed live parts must be guarded if they are operating at - ANS 50V or more
between terminals
Which of the following are most likely to use dynamic braking? - ANS Forklifts
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 JPNAOMISTUVIA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
