Electrical Basics
Power Generation
Power Distribution
Power Supply Issues & Safety
200

This unit measures electrical power

What is a watt?

200

This type of power plant generates electricity using the kinetic energy of moving water

What is a hydroelectric power plant?

200

These large steel towers support high-voltage transmission lines

What are transmission towers?

200

A brief loss of power in an electrical system.

What is a blackout?

400

The standard voltage for household electrical outlets in North America.

What is 120 volts?

400

The most common fuel used in U.S. power plants

What is natural gas?

400

The device that steps down voltage before electricity enters homes and businesses.

What is a transformer?

400

A device designed to protect electrical circuits from overloading

What is a circuit breaker?

600

This law states that voltage equals current times resistance.

What is Ohm’s Law?

600

In a nuclear power plant, this element is commonly used as fuel.

What is uranium?

600

The network of substations, transformers, and power lines that deliver electricity to consumers

What is the power grid?

600

This type of battery backup device protects computers from power outages.

What is an uninterruptible power supply (UPS)?

800

The three main components of an electrical circuit.

What are voltage, current, and resistance?

800

This type of renewable energy uses the sun’s radiation to generate electricity.

What is solar power?

800

The type of current used in long-distance power transmission.

What is alternating current (AC)?

800

The term for a sudden increase in voltage that can damage electronic devices.

What is a power surge?

M
e
n
u