EE_I_CH01

Q1: What are the three main components of Thailand's power system structure?

• Generation, Transmission, and Distribution

• Generation, Supply, and Feedback

• Distribution, Reception, and Supply

• Feedback, Transmission, and Reception

Q2: In an electrical circuit, the path along which electrons flow is called what?

• Conductor

• Resistor

• Insulator

• Capacitor

Q3: The unit of electrical resistance in the International System of Units (SI) is the __________.

• Ampere

• Ohm

• Volt

• Watt

Q4: Which of the following represents the relationship between voltage, current, and resistance according to Ohm's Law?

• V = IR

• I = VR

• R = IV

• V = I/R

Q5: What is the main function of a resistor in an electric circuit?

• To store electric charge.

• To amplify signals.

• To decrease or limit current.

• To generate electricity.

Q6: What entity is responsible for managing the majority of Thailand's power generation?

• Provincial Electricity Authority

• Metropolitan Electricity Authority

• Electricity Generating Authority of Thailand

• National Power Supply Committee

Q8: The unit of power in the International System of Units (SI) is the __________.

• Joule

• Watt

• Ohm

• Volt

Q9: The electrical power in a DC circuit can be calculated using which of the following formulas?

• P = I/V

• P = V/I

• P = IR

• P = VI

Q10: Which of the following is an example of a passive electronic device?

• Transistor

• Operational Amplifier

• Inductor

• Battery

Q10: What happens to the current in a series circuit when a resistor is added?

• It increases.

• It decreases.

• It remains the same.

• It first decreases, then increases.