NEIEP 300 Review Exam Questions With Correct Solutions.
How should ammeters be used to take measurements in a circuit - accurate
answers-Connected in series with the circuit
What will happen to the current in a circuit if the resistance is doubled -
accurate answers-Current will be halved
How do you measure voltage in a circuit - accurate answers-Meter must be
parallel with volt being measured
What is the outermost shell of an atom called - accurate answers-Valence shell
The Nucleus of an atom contains what - accurate answers-Neutrons and
protons
Whats the E symbol represent in ohms law - accurate answers-Voltage
What happens to the total resistance in a wire if the length is doubled -
accurate answers-Resistance is doubled
If an atom has only one electron in its valence shell _______? - accurate
answers-Atom will act as a good conductor
Unlike charges ______? - accurate answers-Attract
A neutral atom has _____? - accurate answers-equal number protons and
electrons
What is the name of the unit measuring current - accurate answers-amperes
Describe current flow - accurate answers-Uniform movement of electrons
from negative to positive
What is the unit that measures the quantity of electrons passing a given point
- accurate answers-Coulomb
Name the unit used in measuring the potential difference across two points in
a circuit - accurate answers-Volt
, What is the unit to measure opposite to current flow - accurate answers-Ohms
What happens to resistance in a wire, if its width is increased four times -
accurate answers-Resistance is 1/4
What does the designation DPDTNO switch represent - accurate answers-
Double-pole, Double-Throw, Normally Open switch
_____ refer to the moveable contacts on a switch - accurate answers-Poles
Contact wear is always _______ on DC switches than AC switches - accurate
answers-greater
Describe maintained contact switch action - accurate answers-When the
switch is actuated once, contacts close an remain close
What type of switch would be found at a terminal landing - accurate answers-
Unidirectional limit switch
What are the resistance band colors - accurate answers-Black, Brown, Red,
Orange, Yellow ,Green, Blue, Violet, Grey, White
What is the tolerance on a gold band resistance - accurate answers-5%
What is the tolerance on a silver band resistance - accurate answers-10%
What is the tolerance when there is no band color - accurate answers-20%
Which resistor has a single fixed terminal and shaft driven, moveable contact -
accurate answers-Rheostat
Carbon film resistors have which characteristic - accurate answers-Maintain
close tolerances in response to temperature changes
_____ have a negative temperature coefficient - accurate answers-Thermistor
Filament resistance increases when bulb is energized - accurate answers-
Incandescent bulbs
How should ammeters be used to take measurements in a circuit - accurate
answers-Connected in series with the circuit
What will happen to the current in a circuit if the resistance is doubled -
accurate answers-Current will be halved
How do you measure voltage in a circuit - accurate answers-Meter must be
parallel with volt being measured
What is the outermost shell of an atom called - accurate answers-Valence shell
The Nucleus of an atom contains what - accurate answers-Neutrons and
protons
Whats the E symbol represent in ohms law - accurate answers-Voltage
What happens to the total resistance in a wire if the length is doubled -
accurate answers-Resistance is doubled
If an atom has only one electron in its valence shell _______? - accurate
answers-Atom will act as a good conductor
Unlike charges ______? - accurate answers-Attract
A neutral atom has _____? - accurate answers-equal number protons and
electrons
What is the name of the unit measuring current - accurate answers-amperes
Describe current flow - accurate answers-Uniform movement of electrons
from negative to positive
What is the unit that measures the quantity of electrons passing a given point
- accurate answers-Coulomb
Name the unit used in measuring the potential difference across two points in
a circuit - accurate answers-Volt
, What is the unit to measure opposite to current flow - accurate answers-Ohms
What happens to resistance in a wire, if its width is increased four times -
accurate answers-Resistance is 1/4
What does the designation DPDTNO switch represent - accurate answers-
Double-pole, Double-Throw, Normally Open switch
_____ refer to the moveable contacts on a switch - accurate answers-Poles
Contact wear is always _______ on DC switches than AC switches - accurate
answers-greater
Describe maintained contact switch action - accurate answers-When the
switch is actuated once, contacts close an remain close
What type of switch would be found at a terminal landing - accurate answers-
Unidirectional limit switch
What are the resistance band colors - accurate answers-Black, Brown, Red,
Orange, Yellow ,Green, Blue, Violet, Grey, White
What is the tolerance on a gold band resistance - accurate answers-5%
What is the tolerance on a silver band resistance - accurate answers-10%
What is the tolerance when there is no band color - accurate answers-20%
Which resistor has a single fixed terminal and shaft driven, moveable contact -
accurate answers-Rheostat
Carbon film resistors have which characteristic - accurate answers-Maintain
close tolerances in response to temperature changes
_____ have a negative temperature coefficient - accurate answers-Thermistor
Filament resistance increases when bulb is energized - accurate answers-
Incandescent bulbs
