NCCER Electrical (intro to electrical circuits) Exam Questions and Answers
4 views 0 purchase
Course
NCCER Electrical
Institution
NCCER Electrical
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - Answer-500w
voltage is defined as the? - Answer-driving force that makes current flow in a circuit
if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - Answer-240 ...
NCCER Electrical (intro to electrical
circuits) Exam Questions and Answers
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? -
Answer-500w
voltage is defined as the? - Answer-driving force that makes current flow in a circuit
if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is?
- Answer-240 volts
if two 10 ohm resistors are connected in series, what is the total resistance of the
resistors? - Answer-20 ohms
to make sure the voltage is turned off before touching any terminals, use a? - Answer-
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 - Answer-70
materials with electrical characteristics that fall between those of insulators and
conductors are considered? - Answer-semiconductors
what is the applied voltage if the current in a circuit is 60 amps and the resistance is 10
ohms - Answer-600 volts
which of the following is used to step voltage down to lower levels before it reaches a
home or office? - Answer-transformers
a 5ohm and 20 ohm resistor are connected in parallel, what is the total resistance of
these two resitors? - Answer-4 ohms
if the resitors of a circuit is 20 ohms and the current is 10 amps, the power in watts is? -
Answer-2500 watts
if a circuit has 48 amps of current and applied voltage of 240 volts, the resistance is? -
Answer-50 ohms
you would measure resistance with a? - Answer-ohm meter
which of the following substances is considered a good semiconductor. - Answer-silicon
in a parallel circuit, the voltage drop? - Answer-is the same across all loads
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 lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
