T-Level 2.5 Electrical Principles

What is the unit of electrical power?

• Volt

• Ampere

• Watt

• Ohm

Which law is used to calculate the voltage in a circuit?

• Coulomb's Law

• Ohm's Law

• Faraday's Law

• Kirchhoff's Law

What is the formula to calculate electrical power in a circuit?

What does AC stand for in electrical terms?

• Actual Current

• Alternating Current

• Aligned Current

• Amplified Current

Which of the following is a renewable source of power?

• Coal

• Natural Gas

• Solar

• Nuclear

What is the unit of electrical resistance?

• Volt

• Watt

• Ohm

• Ampere

What is the formula for calculating the efficiency of a power generator?

• Efficiency = Output Power - Input Power

• Efficiency = Input Power - Output Power

In electrical terms, what does DC stand for?

• Direct Current

• Diverse Current

• Dynamic Current

• Diagonal Current

What is the primary function of a transformer in electrical distribution?

• To convert AC to DC

• To reduce electrical noise

• To change voltage levels

• To store electrical energy

Which component is used to resist the flow of current in a circuit?

• Capacitor

• Resistor

• Inductor

• Transformer