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What is the the relationship between R3 and R4 in this circuit? -
ANSWER-They
are in
series
A simple method for opening or closing a circuit is to use a
__________.*
None of the above
Switch
Knife
Screwdriver - ANSWER-Switch
The difference between a fuse and a circuit breaker is
__________.*
None of the above
Circuit breakers can be reset and used again
Fuses are re-usable
Circuit breakers are cheaper
All of the above - ANSWER-Circuit breakers can be reset and
used again
,Which transformer winding is normally connected to the
source power?*
Secondary
Primary
Center tap
Core winding - ANSWER-
Primary
When should a fuse be replaced?*
Once a year
When its resistance is over 10 ohms
When it has continuity
When it has no continuity - ANSWER-When it has no
continuity
In what type of electrical circuit section does current split into
two or more paths
and the recombine into one path at
another point?*
Power Supply Section
Series Section
Parallel Section
Return Section - ANSWER-Parallel Section
Which two terminal on the secondary will have 90 VAC across
them if 300VAC
, is applied to the primary of the transformer? - ANSWER-
Point 1 and point 4
Electricity is the flow of __________ in a conductor.*
Protons
Electrons
Photons
Neutrons - ANSWER-Electrons
What side of the of the transformer is connected to the power
source?*
Step-up side
Primary coil
Step-down side
Secondary coil - ANSWER-Primary coil
The electrical wall outlets at home are a source of
__________ current.*
None of the
above
Direct
Alternating
Both direct and alternating - ANSWER-
Alternating
A __________ is an electrical device that converts AC
electricity from one voltage level to another.*
Transformer
Secondary coil