NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified
52 views 2 purchases
Course
NCCER Electrical
Institution
NCCER Electrical
NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANS 500w
voltage is defined as the? - ANS driving force that makes current flow in a circuit
if a ci...
NCCER Electrical module 3 (intro to
electrical circuits)
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANS 500w
voltage is defined as the? - ANS driving force that makes current flow in a circuit
K
if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - ANS 240 volts
C
if two 10 ohm resistors are connected in series, what is the total resistance of the resistors? - ANS 20
ohms
LO
to make sure the voltage is turned off before touching any terminals, use a? - ANS voltage tester
how many amos are there in the current of a circuit if the voltage source is 140v and the resistance is 2
omhs - ANS 70
YC
materials with electrical characteristics that fall between those of insulators and conductors are
considered? - ANS semiconductors
what is the applied voltage if the current in a circuit is 60 amps and the resistance is 10 ohms - ANS 600
volts
D
which of the following is used to step voltage down to lower levels before it reaches a home or office? -
ANS transformers
U
a 5ohm and 20 ohm resistor are connected in parallel, what is the total resistance of these two resitors? -
ANS 4 ohms
ST
if the resitors of a circuit is 20 ohms and the current is 10 amps, the power in watts is? - ANS 2500 watts
if a circuit has 48 amps of current and applied voltage of 240 volts, the resistance is? - ANS 50 ohms
you would measure resistance with a? - ANS ohm meter
which of the following substances is considered a good semiconductor. - ANS silicon
in a parallel circuit, the voltage drop? - ANS is the same across all loads
an electronic repels? - ANS other electrons
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 EFT, 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 this summary 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 this summary for R166,35. You're not tied to anything after your purchase.
