NEIEP 300 FINAL EXAMS WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED RATIONALES ANSWERS LATEST
2024 ALREADY GRADED A+
A door motor circuit has a 230 VDC power supply that provides 7.38 amps of current. What is the total
circuit resistance?
31.17 ohms
At which setting would you set the meter dial to read Resistance?
Ω
If the voltage source for a circuit is 68 volts, and the resistance is 45 ohms, what is the total circuit
current?
1.511 Amps
How much power is produced by 500 mA of current through a circuit with 4.7K ohms of resistance?
1175 Watts
What will happen to the current in a circuit of constant voltage if the resistance is doubled?
The current will be halved
If voltage and resistance are known quantities, what is the correct formula for finding current?
I = E/R
Which of the following formulas are correct for finding power in watts used in an electrical circuit?
P = I2xR
VOM is another name for a:
Multimeter
What will happen to the current in a circuit of constant resistance if the voltage is doubled?
The current will double
The product of voltage and current is:
Power
Which of the following statements best describes how to measure voltage in a circuit?
The meter must be in parallel with the voltage being measured.
, What does the designation DPDTNO switch represent?
Double-pole, Double-Throw, Normal Open switch
Which of the following statements is correct regarding switches?
Contact wear is always greater on DC switches than AC switches
Which of the following describes the most important characteristic of how switches are rated?
Rated by maximum current the switch can pass when closed
Which of the following refers to the moveable contacts on a switch?
Poles
Of the following resistors, which has a single fixed terminal and a shaft-driven, movable contact?
Rheostat
Of the following, which type of switch would normally be found at a terminal landing?
Unidirectional limit switch
Thermistors possess which of the following qualities?
They have a negative or a positive temperature coefficient.
A wire-wound resistor in a series circuit with a supply voltage of 45 VDC has a nominal value of 64 ohms.
It develops a problem which results in it being 40% partially shorted. The circuit fuse is rated at 1 amp.
Which of the following statements is correct?
This represents an overload condition that will open the fuse
Of the following statements concerning electrical safety, which is correct?
All electrical tools should be tested on a regular schedule
Carbon film resistors have which of the following characteristics?
It maintains close tolerances in response to temperature changes
Which of the following statements is correct for a series circuit?
The current is the same at any point in the circuit
If you have three resistors of 40, 75, and 100 ohms in series with a voltage of 150 VDC, what is the total
circuit current?
0.698 amperes
What happens to voltage in a series circuit?
The voltage drop is directly proportional to the load
Which of the following statements is true for parallel circuits?
CORRECT QUESTIONS AND VERIFIED
DETAILED RATIONALES ANSWERS LATEST
2024 ALREADY GRADED A+
A door motor circuit has a 230 VDC power supply that provides 7.38 amps of current. What is the total
circuit resistance?
31.17 ohms
At which setting would you set the meter dial to read Resistance?
Ω
If the voltage source for a circuit is 68 volts, and the resistance is 45 ohms, what is the total circuit
current?
1.511 Amps
How much power is produced by 500 mA of current through a circuit with 4.7K ohms of resistance?
1175 Watts
What will happen to the current in a circuit of constant voltage if the resistance is doubled?
The current will be halved
If voltage and resistance are known quantities, what is the correct formula for finding current?
I = E/R
Which of the following formulas are correct for finding power in watts used in an electrical circuit?
P = I2xR
VOM is another name for a:
Multimeter
What will happen to the current in a circuit of constant resistance if the voltage is doubled?
The current will double
The product of voltage and current is:
Power
Which of the following statements best describes how to measure voltage in a circuit?
The meter must be in parallel with the voltage being measured.
, What does the designation DPDTNO switch represent?
Double-pole, Double-Throw, Normal Open switch
Which of the following statements is correct regarding switches?
Contact wear is always greater on DC switches than AC switches
Which of the following describes the most important characteristic of how switches are rated?
Rated by maximum current the switch can pass when closed
Which of the following refers to the moveable contacts on a switch?
Poles
Of the following resistors, which has a single fixed terminal and a shaft-driven, movable contact?
Rheostat
Of the following, which type of switch would normally be found at a terminal landing?
Unidirectional limit switch
Thermistors possess which of the following qualities?
They have a negative or a positive temperature coefficient.
A wire-wound resistor in a series circuit with a supply voltage of 45 VDC has a nominal value of 64 ohms.
It develops a problem which results in it being 40% partially shorted. The circuit fuse is rated at 1 amp.
Which of the following statements is correct?
This represents an overload condition that will open the fuse
Of the following statements concerning electrical safety, which is correct?
All electrical tools should be tested on a regular schedule
Carbon film resistors have which of the following characteristics?
It maintains close tolerances in response to temperature changes
Which of the following statements is correct for a series circuit?
The current is the same at any point in the circuit
If you have three resistors of 40, 75, and 100 ohms in series with a voltage of 150 VDC, what is the total
circuit current?
0.698 amperes
What happens to voltage in a series circuit?
The voltage drop is directly proportional to the load
Which of the following statements is true for parallel circuits?
