Theoretical Questions for Introduction to Specialized Engineering Course

Question 1: What is the definition of an electrical/electronic system, and how does it differ from other types of systems?

Question 2: What is an electrical conductor? Name some materials that are considered as conductor?

Question 3: What is an electrical insulator? Name some materials that are considered as insulator?

Question 4: What does an atom consist of, and when does an atom carry an electric charge?

Question 5: State the definition of current, resistance, and E.M.F?

Question 6: What is an ammeter, voltmeter, ohmmeter, multimeter, and oscilloscope used for?

Question 7: What is electric charge, and what is its relationship to electric current?

Question 8: What is potential difference, and how is it measured electric circuits?

Question 9: What are multiples and sub-multiples in electric circuits, and how are they used to represent quantities such as current, voltage, and resistance efficiently?

Question 10: List all functions of an oscilloscope?

Theoretical Questions for Introduction to Specialized Engineering Course

Question 11: Where can a ground resistance meter be used?

Question 12: In electrical circuit, what is equivalent resistance, open-circuit voltage, and short-circuit current?

Question 13: State the current law of Kirchhoff’s laws?

Question 14: State the voltage law of Kirchhoff’s laws?

Question 15: List some basic electrical SI units and their corresponding quantities?

Question 16: What is a variable resistor?

Question 17: What is the power and electrical energy, and how are they measured?

Question 18: To find a current flow through a resistor in a circuit, which method can we used?

Question 19: State the Norton’s theorem and 4 steps to find the current using Norton’s theorem?

Question 20: State the Thevenin’s theorem and 4 steps to find the current using Thevenin’s theorem?

(188.2μF) �

(Vo = 3.89 V) �

(Vo = -60 V; V1 = 10 V) �

Question 3: In the circuit, what value of capacitor is needed to improve the power factor from 0.6 lagging to unity? �

Question 5: If the power supplied by the 3-A current source in Fig. 1 is 12 W, find Vs and the power supplied by the 10-V source. �

Figure 1

Vs = 42 V; -30 W. �

Question 4:

Find RAB in the circuit in Fig. 2 �

Figure 2

Figure 3

Question 6: find Vo in Fig. 3

530.5μF �

Vx = 84V

Question 1: Calculate the average value, RMS value, peak factor, and form factor of the following waveform. If the current is passed through a 2Ω, find the average power absorbed by the resistor.(Irms=8.165A)

Question 4: use Norton’s theorem to find Io in the circuit

Question 5: use Thevenin's theorem to find Io in the circuit

Question 6: use Kirchhoff’s laws to find Io in the circuit

Question 7: use Ohm's laws to find current in the 1kOhm resistor if Vab=200V.

A

B