PS(11/06/24): (1)Electrical Principles

Which of the following is a core concept that governs electrical phenomena?

• Magnetism

• Electric charge

• Light

• Sound

What does the symbol 'I' represent in electrical principles?

• Voltage

• Resistance

• Current

• Power

Which principle is associated with the symbol 'V' in electricity?

• Voltage

• Power

• Resistance

• Current

What is the relationship between electricity and magnetism discussed in this lesson?

• They are unrelated

• They are the same

• They are interconnected

• They oppose each other

What is the fundamental property of matter that causes electrical and magnetic forces, measured in coulombs (C)?

• Voltage

• Electric Charge

• Resistance

• Electric Current

What is the flow of electric charge through a conductor, measured in amperes (A)?

• Voltage

• Resistance

• Electric Current

• Electric Charge

What is the term for materials that allow easy flow of electric current, such as metals?

• Insulators

• Conductors

• Resistors

• Capacitors

What is the electrical potential difference between two points in a circuit, measured in volts (V)?

• Electric Current

• Resistance

• Voltage

• Electric Charge

What is the opposition to the flow of electric current in a conductor, measured in ohms (Ω)?

• Voltage

• Electric Charge

• Resistance

• Electric Current

How does the flow of current and electrons affect daily life?

• It only powers small devices like flashlights.

• It enables the operation of essential devices like computers and refrigerators.

• It has no impact on modern technology.

• It is only important for industrial machinery.