Electricity and Ohm's Law

What is the unit for resistance?

• volts

• amps

• coulombs

• ohms

As the resistance of a circuit increases, the current will...

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS3-5

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V

• 10 V

• 2.5 V

• 0.4 V

Which best describes a parallel circuit?

• Electricity flows along one pathway.

• The flow of electricity comes from one source.

• Electricity flows along more than one pathway.

• The flow of electricity comes from more than one source.

DC stands for ____ and is used in batteries.

• Distant Current

• Don't Current

• Direct Current

• Distributed current

Simple, Series, or Parallel?

• Simple

• Series Circuit

• Parallel Circuit

What are the 3 basic components of a circuit?

• Energy source, Load, Energy Pathway (wire)

• Battery, Energy source, Energy Pathway (wire)

• Battery, and Wire

• ALL of them

The plastic covering is there to:

• Provide a conductor for electrical energy to flow.

• Provide an insulator so that electrical energy will not pass outside of the wires.

• Provide a conductor so that electrical energy can NOT flow.

• Provide an insulator so that electrical energy can flow.

What is the name for the pressure that forces electrons to flow through a circuit?

• Voltage

• Capacitance

• Resistance

• Current

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

• It will stay lit

• It will go out

• It will get dimmer

• It will dissapear