Electrical Engineering Test - Random - Online Electrical Engineering Test

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

Number of answered questions

Number of unanswered questions

Test Review : View answers and explanation for this test.

A two-terminal variable resistor is known as a

potentiometer

thermistor

rheostat

wiper

[#]

How much resistance is required to limit the current from a 12 V battery to 3.6 mA?

3.3 k

33 k

2.2 k

22 k

[#]

When there is 12 mA of current through a 1.2 k

resistor, the voltage across the resistor is

14.4 V

1.4 V

100 V

10 V

[#]

Find the Norton circuit, that is, I_IN and R_N, for the circuit given below.

478 mA, 12.8

750 mA, 12.8

478 mA, 6.8

750 mA, 6.8

[#]

Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.

True

False

[#]

Find branch current IR₂.

5.4 mA

–5.4 mA

113.0 mA

119.6 mA

[#]

The primary is the winding connected to the source, and the secondary is the winding connected to the load.

True

False

[#]

An autotransformer is one in which the primary and secondary are automatically coupled.

True

False

[#]

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

first quadrant

second quadrant

third quadrant

fourth quadrant

[#]

10.

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

True

False

[#]

11.

In an RL circuit, part of the power is resistive and part is reactive.

True

False

[#]

12.

Referring to Problem 20, what is the total parallel resistance (R_p(tot))?

4.99

499

4,992

6,800

[#]

13.

A series resonant band-stop filter consists of a 68

resistor, a 110 mH coil, and a 0.02

F capacitor. The internal resistance, R_W, of the coil is 4

. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f₀?

1.1 mV

11.1 mV

111 mV

200 mV

[#]

14.

Norton's theorem gives

an equivalent current source in parallel with an equivalent impedance

an equivalent current source in series with an equivalent impedance

an equivalent voltage source in parallel with an equivalent impedance

an equivalent voltage source in series with an equivalent impedance

[#]

15.

Referring to the given circuit, L

must be in parallel with R_L

must be placed in parallel with V_S

must have a reactance equal to X_C

has no effect on the result

[#]

16.

The superposition theorem is useful for circuit analysis only in ac circuits.

True

False

[#]

17.

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

0 V

12 V

6.3 V

7.56 V

[#]

18.

A steady-state condition is reached when

the output voltage reaches the average value of the input voltage

the output voltage reaches the input voltage

the output voltage reaches approximately 63% of the input voltage

the output voltage reaches the effective value of the input voltage

[#]

19.

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

True

False

[#]

20.

In a

-connected source driving a

-connected load, the

load voltage and line voltage are one-third the source voltage for a given phase

load voltage and line voltage are two-thirds the source voltage for a given phase

load voltage and line voltage cancel for a given phase

load voltage, line voltage, and source phase voltage are all equal for a given phase

[#]

Post your test result / feedback here:

Quality of the Test

Difficulty of the Test

Online Electrical Engineering Test - Electrical Engineering Test - Random

Marks : 2/20

Test Review : View answers and explanation for this test.

Current Affairs

Interview Questions

Group Discussions