CST Science

Energy is the term used to express work. How is energy expressed in electricty?

• Hertz

• Kilowatt Hours

• Cubic feet

• Ohms

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the term that us used to describe the electromotive force (pressure) that moves current along a conductor?

• Ohms

• BTU

• Volt

• DC

What is the term that is used to measure the electrical resistance of a conductor or equipment. (Hint: symbol is Ω)

• Watts

• Amperes

• Volts

• Ohms

Who was the scientist that is credited with inventing 3-phase power distribution, the AC motor and wireless transmission?

Which of the following are power sources for generating electricity?

• Solar/Photovoltaic

• Hot water

• Fossil fuel

• Transformers

• Nuclear power

Tags

NGSS.HS-ESS3-2

On residential & small commercial buildings, where does the utility company responsibility end and the building tenant's responsibility start for electrical power?

• Pole mounted transformer

• Meter

• Pad mounted transformer

• Panel box

In the United States, what is the frequency of electricity that is provided for A/C power?

• 50 Hz

• 60 Hz

• 90 Hz

• 120 Hz

Which of the following are commonly used as conductors of electricity?

• Aluminum

• Plastic

• Copper

• Wood

• Titanium

Which inventor patented the incandescent light in Jan 1880?

Power distribution inside buildings is divided into separate circuits by what piece of electric equipment?

• Switchgear

• Panel

• Pad mounted transformer

• Generator