Online Electrical Engineering Test - Electrical Engineering Test 2



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Instruction:

  • This is a FREE online test. DO NOT pay money to anyone to attend this test.
  • Total number of questions : 20.
  • Time alloted : 30 minutes.
  • Each question carry 1 mark, no negative marks.
  • DO NOT refresh the page.
  • All the best :-).


1.

When converting 7,000 nA to microamperes, the result is

A.
0.007 µA
B.
0.7 µA
C.
700 µA
D.
7 µA

Your Answer: Option (Not Answered)

Correct Answer: Option D

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2.

The quantity 3.3 × 103 is the same as

A.
330
B.
3,300
C.
33,000
D.
0.0033

Your Answer: Option (Not Answered)

Correct Answer: Option B

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3.

An ohmmeter is an instrument for measuring

A.
current
B.
voltage
C.
resistance
D.
wattage

Your Answer: Option (Not Answered)

Correct Answer: Option C

Learn more problems on : Voltage, Current and Resistance

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4.

An open circuit is one that has a complete current path.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option B

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5.

An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately

A.
385
B.
38.5
C.
3.1
D.
31

Your Answer: Option (Not Answered)

Correct Answer: Option D

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6.

If a 24 V and a 6 V battery are series opposing, the total voltage is

A.
30 V
B.
24 V
C.
18 V
D.
0 V

Your Answer: Option (Not Answered)

Correct Answer: Option C

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7.

Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option B

Learn more problems on : Circuit Theorems and Conversions

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8.

The angular position of a phasor represents the angle of the sine wave with respect to a reference.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Alternating Current and Voltage

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9.

A 0.01 F capacitor equals how many picofarads?

A.
100 pF
B.
1,000 pF
C.
10,000 pF
D.
100,000 pF

Your Answer: Option (Not Answered)

Correct Answer: Option C

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10.

Inductance is the property of an inductor that produces an opposition to any change in current.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

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11.

An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist:

A.
R = XC
B.
R > XC
C.
R < XC
D.
R = 5XC

Your Answer: Option (Not Answered)

Correct Answer: Option C

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12.

An imaginary number is one that exists only in the mind of the mathematician.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option B

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13.

Referring to Problem 23, the true power is

A.
68.6 mW
B.
686 mW
C.
564 mW
D.
121.8 mW

Your Answer: Option (Not Answered)

Correct Answer: Option A

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14.

In a certain series resonant circuit, VC = 125 V, VL = 125 V, and VR = 40 V. The value of the source voltage is

A.
125 V
B.
250 V
C.
290 V
D.
40 V

Your Answer: Option (Not Answered)

Correct Answer: Option D

Learn more problems on : RLC Circuits and Resonance

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15.

In applying the superposition theorem,

A.
the sources are considered one at a time with all others replaced by their internal impedance
B.
all sources are considered independently
C.
all sources are considered simultaneously
D.
the sources are considered one at a time with all others replaced by their internal resistance

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Circuit Theorems in AC Analysis

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16.

Referring to the given circuit, find ZTH for the part of the circuit that is external to RL.

A.
12921.4°
B.
43.768.6°
C.
43.721.4°
D.
12.968.6°

Your Answer: Option (Not Answered)

Correct Answer: Option B

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17.

In order to get maximum power transfer from a capacitive source, the load must

A.
have a capacitive reactance equal to circuit resistance
B.
have an impedance that is the complex conjugate of the source impedance
C.
be as capacitive as it is inductive
D.
none of the above

Your Answer: Option (Not Answered)

Correct Answer: Option B

Learn more problems on : Circuit Theorems in AC Analysis

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18.

In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Time Response of Reactive Circuits

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19.

A three-phase -connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When I θa = 12 30° A, what are the polar expressions for the other phase currents?

A.
I θb = 12 150° A, I θc = 12–90° A
B.
I θb = 12120° A, I θc = 1230° A
C.
I θb = 1230° A, I θc = 12120° A
D.
I θb = 1290° A, I θc = 1290° A

Your Answer: Option (Not Answered)

Correct Answer: Option A

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20.

In a -connected generator, all of the phase voltages are

A.
zero
B.
equal in magnitude
C.
one-third of total
D.
one-sixth of total

Your Answer: Option (Not Answered)

Correct Answer: Option B

Learn more problems on : Three-Phase Systems in Power Applications

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