Exam (elaborations)
NCTI Installer Tech | 101 Multiple Choice Part 1 Questions and Answers {100% Correct}
- Course
- Institution
NCTI Installer Tech | 101 Multiple Choice Part 1 Questions and Answers {100% Correct}
[Show more]
Seller
Follow
StudySet
Reviews received
Content preview
NCTI Installer Tech | 101 Multiple Choice Part 1Questions and Answers {100% Correct}
20 milliamperes is the same as _________ amperes.
A2
B 0.2
C 0.02
D 0.002 - Answer C
The orbital shell that has a maximum capacity of 18 valence electrons is the
________ shell.
A First
B Second
C Third
D Fourth - Answer C
A semiconductor material has ___ valence electron(s)
A1
B2
C3
D 4 - Answer D
The major factor in determining whether a particular element is a conductor,
semiconductor, or insulator is
A The number of electrons in the valence shell
B The number of neutrons in the nucleus
C The number of positrons in the nucleus
D The number of electron shells filled - Answer A
Elements that are called conductors have
A No valence electrons
B Very few valence electrons
C Half of the maximum capacity of valence electrons
D Completely full valence electrons - Answer B
The term voltage usually refers to
,A Indicates how many coulombs pass a given point during the 1 second
B The measurement of electrical resistance
C The measurement of electromotive force
D The measurement of the difference in potential between two charges -
Answer D
The ampere
A Indicates how many coulombs pass a given point during the 1 second
B The measurement of electrical resistance
C The measurement of electromotive force
D The measurement of the difference in potential between two charges -
Answer A
Electrical current is actually produced by
A The transfer of energy from positrons to valence electrons as a result of applied
charges
B The transfer of energy from valence electron to valence electron as a result of
applied charges
C The transfer of energy from positrons to positrons as a result of withdrawn
charges
D The transfer of energy from valence electron to valence electron as a result of
withdrawn charges - Answer B
What prevents the electrons that orbit an atom's nucleus at high speeds from
breaking away from the nucleus due to centrifugal force?
A The repulsion between the positive nucleus and the negative electrons
B The repulsion between the neutral nucleus and the negative electrons
C The attraction between the neutral nucleus and the negative electrons
D The attraction between the positive nucleus and the negative electrons -
Answer D
5 kilovolts is the same as
A 50 kV
B 5 kV
C 0.5 mV
D 5 MV - Answer B
, To create an electromagnet
A Wrap a coil of uninsulated wire around an iron bar and pass an electric current
through the wire
B Wrap a coil of insulated wire around a copper bar and pass an electric current
through the wire
C Wrap a coil of uninsulated wire around an iron bar and pass an electric current
through the wire
D Wrap a coil of insulated wire around an iron bar and pass an electric current
through the wire - Answer D
Magnetism
A Was discovered when the Greeks noticed that magnetite always aligned itself in
a west and east direction
B Was discovered when the Greeks noticed that magnetite always aligned itself in
a north and south direction
C Was discovered when the Romans noticed that magnetite always aligned itself
in a north and south direction
D Was discovered when the Romans noticed that magnetite always aligned itself
in a west and east direction - Answer B
In a magnetic material
A Where all of the magnetic domains are pointing in the same direction, the
magnetic field is weaker
B Where only some of the magnetic domains are pointing in the same direction,
the magnetic field is stronger
C Where only some of the magnetic domains are pointing in the same direction,
the magnetic field is weaker
D Where all of the magnetic domains are pointing in the opposite direction, the
magnetic field is weaker - Answer C
The strength of an electromagnetic field is
A Determined by the magnitude of the magnetomotive force
B Determined by number of valence electrons in the wire
C Determined by the number of valence electrons in the metal bar
D Determined by the magnitude of the mass - Answer A
The magnetic field
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 StudySet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now