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Online Electrical Engineering Test - Electrical Engineering Test - Random

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
Resistance is measured in
henries
ohms
hertz
watts
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Learn more problems on : Quantities and Units
2.
When the current is 2.5 A, how many coulombs pass a point in 0.2 s?
12.5 C
1.25 C
0.5 C
5 C
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Correct Answer: Option
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Learn more problems on : Voltage, Current and Resistance
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?
1.286 kWh
12.85 kWh
535 kWh
252 kWh
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Correct Answer: Option
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Learn more problems on : Energy and Power
4.
A 15 V source is connected across a 12 resistor. How much energy is used in three minutes?
938 Wh
0.938 Wh
56.25 Wh
5.6 Wh
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Correct Answer: Option
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Learn more problems on : Energy and Power
5.
A battery is one type of power supply that converts chemical energy into electrical energy.
True
False
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Learn more problems on : Energy and Power
6.
A series circuit consists of three resistors. Two resistors are 1.2 k each. The total resistance is 12 k. The value of the third resistor
is 9,600
is 960
is 1.2 k
cannot be determined
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Learn more problems on : Series Circuits
7.
The number of current paths equals the number of resistors in parallel.
True
False
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Learn more problems on : Parallel Circuits
8.
A certain voltage divider consists of three 1 k resistors in series. Which of the following load resistors will have the least effect on the output voltage?
1 M
100 k
1 k
330
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Learn more problems on : Series-Parallel Circuits
9.
Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given below.

4.16 V, 120
41.6 V, 120
4.16 V, 70
41.67 V, 70
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Learn more problems on : Circuit Theorems and Conversions
10.
An ideal voltage source has zero internal resistance.
True
False
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Learn more problems on : Circuit Theorems and Conversions
11.
When the north poles of two bar magnets are brought close together, there will be
no force
a downward force
a force of attraction
a force of repulsion
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Learn more problems on : Magnetism and Electromagnetism
12.
A 320 H coil is in series with a 3.3 k resistor. How long does it take for current to build up to its full value?
0.48 s
0.48 ms
0.48 s
48 s
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Learn more problems on : Inductors
13.
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
200 mA
100 mA
282 mA
141 mA
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Learn more problems on : RC Circuits
14.
Point +4 on the complex plane is
4 units above the origin on the j axis
4 units below the origin on the j axis
4 units right of the origin on the real axis
4 units left of the origin on the real axis
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Learn more problems on : RC Circuits
15.
A filter passes all frequencies.
True
False
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Learn more problems on : RC Circuits
16.
In a lag network, the output voltage lags the input voltage in phase.
True
False
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Learn more problems on : RC Circuits
17.
An RC high-pass filter consists of an 820 resistor. What is the value of C so that Xc is ten times less than R at an input frequency of 12 kHz?
81 F
161 F
0.161 F
220 F
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Learn more problems on : Passive Filters
18.
Referring to the given circuit, determine ZTH as seen by RL.

1444–48.5°
4176 –73.3°
956 –48.5°
1444 –73.3°
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Learn more problems on : Circuit Theorems in AC Analysis
19.
The output of an RC integrator is taken across the
diode
capacitor
resistor
source
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Learn more problems on : Time Response of Reactive Circuits
20.
In a -connected generator, all of the phase voltages are
zero
equal in magnitude
one-third of total
one-sixth of total
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Correct Answer: Option
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Learn more problems on : Three-Phase Systems in Power Applications
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