#### The Following Section consists of Multiple Choice Questions on Basic Electrical Engineering. Take the test on Basic Electrical Engineering problems.

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Multiple Choice Questions on Electrical Engineering Basic

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- Question 1 of 20
##### 1. Question

1 points#### Resistance is measured in

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The number of microamperes in 2 milliamperes is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The number of millivolts in 0.06 kilovolts is

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### Eighteen thousand watts is the same as

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### When converting 0.16 mA to microamperes, the result is

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### Which of the following is not an electrical quantity?

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### Seven thousand volts can be expressed as

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### Fourteen milliamperes can be expressed as

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### Voltage is measured in

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Current is measured in

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### The formula to find I when the values of V and R are known is

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed?

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### The winding resistance of a coil can be increased by

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is

CorrectIncorrect

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Multiple Choice Questions on Electrical Engineering Basic 2

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- Question 1 of 20
##### 1. Question

1 points#### When the current through an inductor decreases, the amount of energy stored in the electromagnetic field

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### Three 15 mH inductors are in series. The total inductance is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The inductance of an iron-core coil decreases if

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### In the complex plane, the number 14 – j5 is located in the

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### Point +4 on the complex plane is

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### A positive angle of 30° is equivalent to a negative angle of

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### In the complex plane, the number 4 + j3 is located in the

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### What is the angular difference between +j4 and –j4?

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### When the frequency of the voltage applied to a series RC circuit is increased, the phase angle

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### In a series RC circuit, when the frequency and the resistance are halved, the impedance

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### When the frequency of the voltage applied to a series RC circuit is decreased, the impedance

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### In a three-phase system, the voltages are separated by

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### In a three-phase system, when the loads are perfectly balanced, the neutral current is

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### In a certain three-wire Y-connected generator, the phase voltages are 2 kV. The magnitudes of the line voltages are

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### In a Y-Y source/load configuration, the

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### In a Y-connected circuit, the magnitude of each line current is

CorrectIncorrect

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Multiple Choice Questions on Electrical Engineering Basic 3

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- Question 1 of 20
##### 1. Question

1 points#### In a Y-connected circuit, the magnitude of each line current is

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### A constant load power means a uniform conversion of

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### Referring to Problem 3, the total copper cross section must handle

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### In a balanced three-phase load, each phase has

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### In a certain Y-Y system, the source phase currents each have a magnitude of 9 A. The magnitude of each load current for a balanced load condition is

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The most common type of ac motor is the

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### The voltages in Problem 5 are measured at a certain frequency. To make the resistor voltage less than the inductor voltage, the frequency is

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### To increase the current in a series RL circuit, the frequency

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### When the frequency is decreased, the impedance of a parallel RL circuit

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### When the frequency of the voltage applied to a series RL circuit is decreased, the impedance

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### Which of the following power factors results in less energy loss in an RL circuit?

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### If a load is purely inductive and the reactive power is 12 VAR, the apparent power is

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### When a 15 V input pulse with a width equal to two time constants is applied to an RC integrator, the capacitor charges to

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### With an RL integrator, at the instant of the rising pulse edge,

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to

CorrectIncorrect

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Multiple Choice Questions on Electrical Engineering Basic 4

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- Question 1 of 20
##### 1. Question

1 points#### A steady-state condition is reached when

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### To understand how the output voltage is shaped by a differentiator, you must consider

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### If the capacitor in an integrator becomes leaky,

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### An RC differentiator acts as a

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### In an RL differentiator, when the input pulse goes from its low level to its high level,

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### In an RC differentiator, responding to repetitive pulses, the average value of the output

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The output of an RC integrator is taken across the

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### When a 24 V input pulse with a width equal to five time constants is applied to an RC integrator, the capacitor charges to

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### If the RC time constant of an integrator is increased, as the time constant is increased

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### If a periodic pulse waveform has a pulse width and the time between pulses each equal to or greater than five time constants, the capacitor will

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### In electronic systems, repetitive-pulse waveforms are encountered

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### In an RC differentiator, the capacitor

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### In 0.025 W, there are

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume?

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### If you used 400 W of power for 30 h, you have used

CorrectIncorrect