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Neiep 300 Questions and Correct Answers
How should ammeters be used to take measurements in a circuit
Ans: — Connected in series with the circuit
What will happen to the current in a circuit if the resistance is
doubled Ans: — Current will be halved
How do you measure voltage in a circuit Ans: — Meter must be
parallel with volt being measured
What is the outermost shell of an atom called Ans: — Valence shell
The Nucleus of an atom contains what Ans: — Neutrons and
protons
Whats the E symbol represent in ohms law Ans: — Voltage
What happens to the total resistance in a wire if the length is
doubled Ans: — Resistance is doubled
If an atom has only one electron in its valence shell _______? Ans:
— Atom will act as a good conductor
Unlike charges ______? Ans: — Attract
A neutral atom has _____? Ans: — equal number protons and
electrons
What is the name of the unit measuring current Ans: — amperes
Describe current flow Ans: — Uniform movement of electrons
from negative to positive
What is the unit that measures the quantity of electrons passing a
given point Ans: — Coulomb
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Name the unit used in measuring the potential difference across
two points in a circuit Ans: — Volt
What is the unit to measure opposite to current flow Ans: — Ohms
What happens to resistance in a wire, if its width is increased four
times Ans: — Resistance is 1/4
What does the designation DPDTNO switch represent Ans: —
Double-pole, Double-Throw, Normally Open switch
_____ refer to the moveable contacts on a switch Ans: — Poles
Contact wear is always _______ on DC switches than AC switches
Ans: — greater
Describe maintained contact switch action Ans: — When the
switch is actuated once, contacts close an remain close
What type of switch would be found at a terminal landing Ans: —
Unidirectional limit switch
What are the resistance band colors Ans: — Black, Brown, Red,
Orange, Yellow ,Green, Blue, Violet, Grey, White
What is the tolerance on a gold band resistance Ans: — 5%
What is the tolerance on a silver band resistance Ans: — 10%
What is the tolerance when there is no band color Ans: — 20%
Which resistor has a single fixed terminal and shaft driven,
moveable contact Ans: — Rheostat
Carbon film resistors have which characteristic Ans: — Maintain
close tolerances in response to temperature changes
_____ have a negative temperature coefficient Ans: — Thermistor
© 2025 All rights reserved
Neiep 300 Questions and Correct Answers
How should ammeters be used to take measurements in a circuit
Ans: — Connected in series with the circuit
What will happen to the current in a circuit if the resistance is
doubled Ans: — Current will be halved
How do you measure voltage in a circuit Ans: — Meter must be
parallel with volt being measured
What is the outermost shell of an atom called Ans: — Valence shell
The Nucleus of an atom contains what Ans: — Neutrons and
protons
Whats the E symbol represent in ohms law Ans: — Voltage
What happens to the total resistance in a wire if the length is
doubled Ans: — Resistance is doubled
If an atom has only one electron in its valence shell _______? Ans:
— Atom will act as a good conductor
Unlike charges ______? Ans: — Attract
A neutral atom has _____? Ans: — equal number protons and
electrons
What is the name of the unit measuring current Ans: — amperes
Describe current flow Ans: — Uniform movement of electrons
from negative to positive
What is the unit that measures the quantity of electrons passing a
given point Ans: — Coulomb
© 2025 All rights reserved
, 2 | Page
Name the unit used in measuring the potential difference across
two points in a circuit Ans: — Volt
What is the unit to measure opposite to current flow Ans: — Ohms
What happens to resistance in a wire, if its width is increased four
times Ans: — Resistance is 1/4
What does the designation DPDTNO switch represent Ans: —
Double-pole, Double-Throw, Normally Open switch
_____ refer to the moveable contacts on a switch Ans: — Poles
Contact wear is always _______ on DC switches than AC switches
Ans: — greater
Describe maintained contact switch action Ans: — When the
switch is actuated once, contacts close an remain close
What type of switch would be found at a terminal landing Ans: —
Unidirectional limit switch
What are the resistance band colors Ans: — Black, Brown, Red,
Orange, Yellow ,Green, Blue, Violet, Grey, White
What is the tolerance on a gold band resistance Ans: — 5%
What is the tolerance on a silver band resistance Ans: — 10%
What is the tolerance when there is no band color Ans: — 20%
Which resistor has a single fixed terminal and shaft driven,
moveable contact Ans: — Rheostat
Carbon film resistors have which characteristic Ans: — Maintain
close tolerances in response to temperature changes
_____ have a negative temperature coefficient Ans: — Thermistor
© 2025 All rights reserved
