Electrical Circuit Practice Quiz 05

Electrical Circuit Practice Quiz 05

Welcome to ECE Board Exam Practice Quiz for Electrical Circuit. This set of practice quiz 5 will test your competence on the theories, concepts and problem solving involving Electrical Circuit. The objectives and goals of this quiz is to help engineering students familiarize concepts and theories as well as develop problem solving skills when answering questions related to the Electrical Circuit.

Electrical Circuit Test Bank

In this section are compiled practice quiz for Electrical Circuit that could be able to enhance your knowledge and skills in your preparation for the ECE Board Exam. The goal is to add thousands of questions for you to be familiarized and hopefully help you to be prepared. I am looking forward that this practice quiz will give you an additional confidence in taking your upcoming Engineering Board Exam.

Guidelines:
  • Read and understand each question before choosing the best answer.
  • The correct answer will be reveal after you have chosen your answer for every questions
  • There is no time limit, answer the questions at your own pace.
  • Once all questions are answered, you will be shown your rating.
  • You have to get 70% of the total items to pass the quiz.
  • You can re-take the quiz as many times as you want or until you are satisfied of your rating.
  • Comment us your thoughts, scores, ratings, and questions about the quiz in the comments section below!

Choose the letter of the best answer in each questions.

What is a closed path made of several branches of the network called?
Junction
Node
Terminal
Loop

Correct!

Wrong!

What is the conductance of a circuit having three 10 Ω resistors in parallel?
0.3 S
3.33 S
0.33 S
30 S

Correct!

Wrong!

According to Gauss theorem, flux can be equated to
Charge
Field intensity
Current
Voltage

Correct!

Wrong!

If two complex conjugates are added, ___________ components results.
In-phase
Quadrature
Complex
Out-of-phase

Correct!

Wrong!

A capacitor requires 12 μC of charge to raise its potential of 3 V. What is the capacitance of the capacitor?
36 μF
15 μF
0.25 μF
4 μF

Correct!

Wrong!

High resistance values are a consequence of the _______ of the film.
Thickness
Length
Thinness
Area

Correct!

Wrong!

It is impossible to change the voltage across a capacitor instantly, as this would produce ________ current.
Infinite
Zero
Low
High

Correct!

Wrong!

Parallel resonant circuit is sometimes called as
Acceptor circuit
Rejector circuit
Inductive circuit
Capacitive circuit

Correct!

Wrong!

What is the total resistance of a two equal valued resistors in series?
The difference of both
The product of both
Twice as one
The sum of their reciprocals

Correct!

Wrong!

In a circuit, an active element is one which
Supplies energy
Receives energy
Both supplies and receives energy
Amplifies signal

Correct!

Wrong!

What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
One micron
One angstrom
One steradian
One circular mil

Correct!

Wrong!

Which of the following has a positive temperature coefficient?
Mica
Manganin
Silicon
Carbon

Correct!

Wrong!

In a parallel bank with unequal branch resistances
The highest R has the highest I
The lowest R has the highest I
The lowest R has the lowest V
The highest R has the highest V

Correct!

Wrong!

The Q-factor of a series resonant circuit is also known as
Current magnification factor
Voltage magnification factor
Load factor
Leakage factor

Correct!

Wrong!

Which of the following is the statement of Ohm’s law?
Electric current is directly proportional to both voltage and resistance
Electric current varies directly as the voltage and inversely as the resistance
Electrical power is directly proportional to the resistance and inversely as the current squared
Electrical power is directly proportional to both voltage squared and the resistance

Correct!

Wrong!

When voltage is applied across a ceramic dielectric the electrostatic field produced is 50 times greater than air dielectric. The dielectric constant of ceramic therefore is
50
100
16.67
5

Correct!

Wrong!

In a rectangular wave, the form factor is
1.11
1.16
1.0
1.73

Correct!

Wrong!

Norton’s theorem is _________ Thevenin’s theorem.
The same as
The converse of
Older that
More accurate than

Correct!

Wrong!

For series capacitors, total charge is
The sum of individual charges
Equal to the charge of either capacitors
Equal to the product of the charges
The quotient of the charges

Correct!

Wrong!

Which waveform in which the rms value and the mean value are equal?
Square wave
Triangular wave
Sine wave
Sawtooth

Correct!

Wrong!

A wire of one kilometer length has a resistance of 20 Ω. If the length is halved, then the new resistance is ______ the original resistance.
Half
Twice
One-fourth
Three times

Correct!

Wrong!

The potential gradient in a cable is maximum in
Conductor
Outer sheath
Insulation
Uniformly all over

Correct!

Wrong!

The _______ of an alternating quantity is defined as the fractional part of a period or cycle through which the quantity has advanced from selected origin.
Phase
Frequency
Amplitude
Waveform

Correct!

Wrong!

When two unequal values of resistors are connected in parallel across a dc source, greater current flows through the
Higher resistance
Lower resistance
Higher wattage resistance
Lower wattage resistance

Correct!

Wrong!

What is the hot resistance of a 100 W, 220 V incandescent lamp?
2.2 Ω
22 Ω
484 Ω
4.84 Ω

Correct!

Wrong!

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Electrical Circuit – Quiz 05

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