Welcome to ECE Board Exam Practice Quiz for Electrical Circuit. This set of practice quiz 9 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.
If voltage across the plates of 2 F capacitor is increased by 4 V, then charge on the plates will
Decrease by 2 C
Increase by 2 C
Decrease by 4 C
Increase by 4 C
Correct!
Wrong!
What increases the resistance of wire at high frequencies?
Temperature
Voltage
Skin effect
Insulation
Correct!
Wrong!
In a multiple capacitor, the plate area is
Increased
The same
Decreased
Variable
Correct!
Wrong!
Which of the following is a disadvantage of a wire-wound resistor?
It has reactance in radio-frequency circuits
It cannot handle much power
It draws a large amount of current
It cannot handle high voltage
Correct!
Wrong!
Which of the following does not generally affect the value of a capacitor?
The dielectric material used
The surface area of the plates
The thickness of the dielectric
The voltage applied to the plate
Correct!
Wrong!
Barium-strontium titanite dielectric material is also called
Ceramic
Polyster
Electrolytic
Bakelite
Correct!
Wrong!
The power factor of a certain circuit in which the voltage lags behind the current is 80%. To increase the power to 100%, it is necessary to add ________ to the circuit.
Inductance
Capacitance
Resistance
Impedance
Correct!
Wrong!
The distance between the capacitor plates increases two times, then its capacitance
Increases two times
Increases four times
Decreases two times
Decreases four times
Correct!
Wrong!
In adding or subtracting phasor quantities, ________ form is the most convenient.
Polar
Rectangular
Trigonometric
Exponential
Correct!
Wrong!
The wavelength of an alternating waveform depends upon the _______ of the variation.
Period
Number
Frequency
Amplitude
Correct!
Wrong!
For a carbon composition resistor, typical resistance values range from
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