Wiring DC Circuits

What is Direct Current (DC)?

• Electricity that flows in one direction from a negative to a positive charge

• Electricity that alternates direction periodically

• Electricity that flows in multiple directions simultaneously

• Electricity that does not flow at all

Which of the following is a common source of DC electricity?

• Generators

• Solar panels

• Wind turbines

• Nuclear reactors

Where is DC electricity most commonly used?

• In most electrical systems in vehicles

• In household lighting systems

• In large industrial machines

• In power plants

What type of power supply do many portable power tools and appliances use?

• DC batteries

• AC power outlets

• Solar power

• Wind power

Which of the following is a source of DC electricity?

• Wind turbines

• Alternators

• Nuclear reactors

• Hydroelectric dams

Which of these is NOT a source of DC electricity?

• Generators

• Solar power

• Batteries

• Transformers

Solar power is a source of which type of electricity?

• AC electricity

• DC electricity

• Static electricity

• Magnetic electricity

What do alternators and generators generate that is converted to DC electricity?

• AC power

• DC power

• Solar power

• Wind power

What device is used to convert AC to DC?

• Transformer

• Rectifier

• Capacitor

• Inductor

What component in a rectifier allows current to pass in one direction but not the other?

• Transistor

• Resistor

• Diode

• Capacitor