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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

5.
A battery is one type of power supply that converts chemical energy into electrical energy.
True
False
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

7.
The number of current paths equals the number of resistors in parallel.
True
False
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

10.
An ideal voltage source has zero internal resistance.
True
False
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

15.
A filter passes all frequencies.
True
False
Your Answer: Option
(Not Answered)
Correct Answer: Option

16.
In a lag network, the output voltage lags the input voltage in phase.
True
False
Your Answer: Option
(Not Answered)
Correct Answer: Option

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
Your Answer: Option
(Not Answered)
Correct Answer: Option

18.
Referring to the given circuit, determine ZTH as seen by RL.

1444–48.5°
4176 –73.3°
956 –48.5°
1444 –73.3°
Your Answer: Option
(Not Answered)
Correct Answer: Option

19.
The output of an RC integrator is taken across the
diode
capacitor
resistor
source
Your Answer: Option
(Not Answered)
Correct Answer: Option

20.
In a -connected generator, all of the phase voltages are
zero
equal in magnitude
one-third of total
one-sixth of total
Your Answer: Option
(Not Answered)
Correct Answer: Option

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