Online Electrical Engineering Test - Electrical Engineering Test 10



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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.

Free electrons make current possible.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Voltage, Current and Resistance

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2.

If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?

A.
8.25 V
B.
82.5 V
C.
14.6 V
D.
146 V

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Ohm's Law

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3.

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

A.
1.286 kWh
B.
12.85 kWh
C.
535 kWh
D.
252 kWh

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Energy and Power

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4.

A half-watt is equal to how many milliwatts?

A.
5,000 mW
B.
5 mW
C.
500 mW
D.
50 mW

Your Answer: Option (Not Answered)

Correct Answer: Option C

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5.

Series aiding is a term sometimes used to describe voltage sources of the same polarity in series.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Series Circuits

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6.

If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is

A.
50 mA
B.
70 mA
C.
120 mA
D.
40 mA

Your Answer: Option (Not Answered)

Correct Answer: Option B

Learn more problems on : Parallel Circuits

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7.

In a parallel circuit, the branch with the lowest resistance has the most current.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

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8.

What is the Thevenin equivalent (VTH and RTH) for the circuit given?

A.
6.4 V, 422
B.
6.4 V, 560
C.
6.4 V, 680
D.
30 V, 422

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : Circuit Theorems and Conversions

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9.

What is the current through R2?

A.
3.19 A
B.
319 mA
C.
1.73 A
D.
173 mA

Your Answer: Option (Not Answered)

Correct Answer: Option D

Learn more problems on : Branch, Loop and Node Analyses

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10.

Find branch current IR2.

A.
5.4 mA
B.
–5.4 mA
C.
113.0 mA
D.
119.6 mA

Your Answer: Option (Not Answered)

Correct Answer: Option C

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11.

Third-order determinants are evaluated by the expansion method or by the cofactor method.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

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12.

A 2 F, a 4 F, and a 10 F capacitor are connected in series. The total capacitance is less than

A.
2 F
B.
4 F
C.
10 F
D.
1.5 F

Your Answer: Option (Not Answered)

Correct Answer: Option D

Learn more problems on : Capacitors

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13.

Five time constants are required for a capacitor to charge fully or discharge fully.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

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14.

In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option A

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15.

A 10 resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is

A.
1,616
B.
161
C.
3,387
D.
1,771

Your Answer: Option (Not Answered)

Correct Answer: Option A

Learn more problems on : RLC Circuits and Resonance

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16.

A certain series RLC circuit with a 200 Hz, 15 V ac source has the following values: R = 12 , C = 80 F, and L = 10 mH. The total impedance, expressed in polar form, is

A.
12.2812.34°
B.
12.5712.34°
C.
9.9512.34°
D.
12.6212.34°

Your Answer: Option (Not Answered)

Correct Answer: Option A

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17.

Referring to Problem 18, what is the bandwidth of the filter?

A.
1 kHz
B.
632 kHz
C.
50.3 kHz
D.
10.5 kHz

Your Answer: Option (Not Answered)

Correct Answer: Option D

Learn more problems on : Passive Filters

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18.

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

A.
must be zero
B.
must be equal to the applied voltage
C.
is less than the applied voltage but greater than zero
D.
cannot be determined

Your Answer: Option (Not Answered)

Correct Answer: Option B

Learn more problems on : Time Response of Reactive Circuits

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19.

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

A.
the capacitor charges more during a pulse and discharges less between pulses
B.
the capacitor charges less during a pulse and discharges more between pulses
C.
the capacitor charges more during a pulse and discharges more between pulses
D.
the capacitor charges less during a pulse and discharges less between pulses

Your Answer: Option (Not Answered)

Correct Answer: Option D

Learn more problems on : Time Response of Reactive Circuits

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20.

In an RL integrating circuit, the output voltage is taken across the inductor.

A.
True
B.
False

Your Answer: Option (Not Answered)

Correct Answer: Option B

Learn more problems on : Time Response of Reactive Circuits

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